Add composer root version to template

Closes #3390895

added 16 commits

• 0e0fd9f0...1d46cf77 - 15 commits from branch project:1.0.x
• 8a347d70 - Add composer root version to template

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added 31 commits

• 8a347d70...c7dde500 - 30 commits from branch project:1.0.x
• 96fcf204 - Add composer root version to template

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Issue 3390895 is "closed (won't fix)" so this MR can be closed.

closed