Throw deprecations when a plugin type with attributes is using annotations

At the moment this PR includes the previous PR as well.

added 93 commits

• 14c93483...a071abee - 34 commits from branch project:11.x
• a071abee...f6908f18 - 49 earlier commits
• 5a2ed077 - Simplify comment.
• b54c53f9 - composer update --lock
• 75e0da8b - Revert TestXSSTitleBlock changes.
• b89c8642 - Allow attribute-only discovery.
• b41fe900 - Add test coverage for DefaultPluginManager.
• 721695b7 - Remove double space.
• 3a728a5b - Fire deprecation
• 42c3bf28 - use correct error type
• 95a6acd1 - Add working test coverage
• d73fc095 - update deprecation message and start expecting it in legacy test

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added 1 commit

• decb6d84 - Improve deprecation message to include the plugin id

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added 13 commits

• decb6d84...fe420423 - 8 commits from branch project:11.x
• 74480dfd - Fire deprecation
• bd18f2bf - use correct error type
• be10ad01 - Add working test coverage
• 9148d76d - update deprecation message and start expecting it in legacy test
• e1d9e188 - Improve deprecation message to include the plugin id

Compare with previous version

added 101 commits

• e1d9e188...31911458 - 93 commits from branch project:11.x
• 21bdc0ab - Fire deprecation
• cf5d322a - use correct error type
• f28ec0c5 - Add working test coverage
• 828d5029 - update deprecation message and start expecting it in legacy test
• c463564b - Improve deprecation message to include the plugin id
• 8e71a26a - Remove test_xss_title
• ca8f11e2 - Dynamically define missing trait and interface
• c9399100 - Avoid CS errors

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added 1 commit

• 486cee41 - remove deprecation unit test coverage

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added 2 commits

• 11b28401 - convert more block plugins
• 1c1aebea - adjust block ui test for removed xss block plugin

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added 1 commit

• b05be94b - Apply 1 suggestion(s) to 1 file(s)

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added 48 commits

• b05be94b...aac47f0d - 37 commits from branch project:11.x
• 87a4062a - 1 earlier commit
• 70517513 - use correct error type
• 47b21266 - Add working test coverage
• 51379c89 - update deprecation message and start expecting it in legacy test
• ba29c394 - Improve deprecation message to include the plugin id
• b389facc - Remove test_xss_title
• c1bca0c3 - Dynamically define missing trait and interface
• 8c9f2552 - Avoid CS errors
• 95dea23a - remove deprecation unit test coverage
• e8abc868 - convert more block plugins
• a2897b21 - adjust block ui test for removed xss block plugin

Compare with previous version

added 697 commits

• a2897b21...8756d339 - 686 commits from branch project:11.x
• 61157b16 - 1 earlier commit
• 9671ac83 - use correct error type
• 515cf104 - Add working test coverage
• 568ad1ad - update deprecation message and start expecting it in legacy test
• c67a13e7 - Improve deprecation message to include the plugin id
• f6a37668 - Remove test_xss_title
• 9532ad66 - Dynamically define missing trait and interface
• ff55ce34 - Avoid CS errors
• beaeacad - remove deprecation unit test coverage
• 8ec74988 - convert more block plugins
• aebde2e2 - adjust block ui test for removed xss block plugin

Compare with previous version

Looks great, agree we need to action this asap

added 202 commits

• aebde2e2...8f28c48d - 191 commits from branch project:11.x
• 7b6bcf39 - 1 earlier commit
• bb81bcb3 - use correct error type
• cafa62d2 - Add working test coverage
• 2aae046f - update deprecation message and start expecting it in legacy test
• c296cd51 - Improve deprecation message to include the plugin id
• b06966a7 - Remove test_xss_title
• d57fab4f - Dynamically define missing trait and interface
• 63280a11 - Avoid CS errors
• 38be23c4 - remove deprecation unit test coverage
• 9a82aaac - convert more block plugins
• faa54bbc - adjust block ui test for removed xss block plugin

Compare with previous version

added 57 commits

• faa54bbc...fc0aa24e - 46 commits from branch project:11.x
• fb9f7366 - 1 earlier commit
• 4b65bd44 - use correct error type
• f647caec - Add working test coverage
• 9a2dd508 - update deprecation message and start expecting it in legacy test
• d6d1fe9d - Improve deprecation message to include the plugin id
• 89561f49 - Remove test_xss_title
• cb5a70a5 - Dynamically define missing trait and interface
• 4f010576 - Avoid CS errors
• b1758207 - remove deprecation unit test coverage
• 315f9081 - convert more block plugins
• 44553cba - adjust block ui test for removed xss block plugin

Compare with previous version

added 33 commits

• 44553cba...181221a4 - 22 commits from branch project:11.x
• 55a9f981 - 1 earlier commit
• a7b63484 - use correct error type
• 3d802436 - Add working test coverage
• df1358ef - update deprecation message and start expecting it in legacy test
• cb531d00 - Improve deprecation message to include the plugin id
• 68620b9f - Remove test_xss_title
• 0dd8ea3e - Dynamically define missing trait and interface
• 7ffd0d55 - Avoid CS errors
• aebeb5a8 - remove deprecation unit test coverage
• c9d29fea - convert more block plugins
• b0b463c3 - adjust block ui test for removed xss block plugin

Compare with previous version

added 1065 commits

• b0b463c3...989fe116 - 1064 commits from branch project:11.x
• b601a75e - Fire deprecation

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added 1 commit

• 7e5e817b - make phpstan ignore BC traits

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added 1 commit

• 61d7d4f1 - different phpstan workaround, full ignore for that file

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