Issue #3279896: Update to signature_pad 4

Closes #3279896.

added 1 commit

• 9485d6c5 - Update archive type.

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added 1 commit

• 1058b343 - Update library yml with new module version.

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added 124 commits

• 1058b343...46671264 - 116 commits from branch project:6.3.x
• 4d765303 - Update signature_pad library to 4.1.7
• 19d122a9 - Update url and version in libraries manager
• b28428dd - Update siganture_pad library CDN and path to version 4.1.7
• 50bdae97 - Fix typo
• 0295392c - #3279896: Switch to updated url for zip served by npm instead of github.
• 9e94089f - Update signature_pad library to 4.2.0.
• cfd9c5ed - Update archive type.
• f42e48b1 - Update library yml with new module version.

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changed title from Resolve #3279896 "Update signature pad 4.2.0" to Issue #3279896: Update to signature_pad 4