chore: Improve PR title check

[seakayone]

Only allow upper case letters for the first letter of the actual commit.

Since all PR titles are included in the release notes the first letter of the commit message should be upper case.
This will improve the look of our release notes which are currently mixed case.

Pull Request Checklist

Task Description/Number

Issue Number: NO-TICKET

PR Type

• fix: represents bug fixes
• refactor: represents production code refactoring
• feat: represents a new feature
• docs: documentation changes (no production code change)
• chore: maintenance tasks (no production code change)
• test: all about tests: adding, refactoring tests (no production code change)
• other... Please describe:

Basic Requirements for bug fixes and features

• Tests for the changes have been added
• Docs have been added / updated

Does this PR introduce a breaking change?

• Yes

Does this PR change client-test-data?

• Yes

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (12402f3) 18.00% compared to head (5025dc1) 23.29%.
Report is 89 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2882      +/-   ##
==========================================
+ Coverage   18.00%   23.29%   +5.29%     
==========================================
  Files         281      254      -27     
  Lines       28899    23281    -5618     
==========================================
+ Hits         5202     5423     +221     
+ Misses      23697    17858    -5839     

see 186 files with indirect coverage changes

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