ci(labels): automatic PR label management

[thomasleplus]

Readiness checklist

Please check the boxes below to confirm that you have followed the
required guidelines for contributions:

• If this pull request includes code changes, they were all properly tested. Automated tests were also included where possible.
• If applicable, this pull request includes the relevant documentation for this change.
• If this pull request is related to an existing issue, you can use the same description below but in any case include a link to the issue like Fixes #ISSUE_NUMBER. or Closes #ISSUE_NUMBER..
• All the commits in this pull request were squashed into a single commit. That commit is signed.

Description

• Enforce that first commit's message matches PR title
• Enforce that first commit message and PR title follow conventional commit convention
• Enforce that all commits are signed
• Update PR labels to include conventional commit message type
• Add 'dependencies' label to PR for certain conventional commit message types
• Add 'no-release-notes' label to PR for certain conventional commit message types