Disable changelog check for backports

[jnidzwetzki]

So far, we have also checked the changelog files on our backport branch. However, the test always failed since the backported PR numbers did not match the changelog PR numbers. This PR disables the changelog check on the backport branch.

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Disable-check: force-changelog-file
Link to failed CI run: https://github.com/timescale/timescaledb/actions/runs/7395253176/job/20118061456

[github-actions]

@akuzm, @gayyappan: please review this pull request.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (58298e9) 87.34% compared to head (91f31b3) 87.34%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6499      +/-   ##
==========================================
- Coverage   87.34%   87.34%   -0.01%     
==========================================
  Files         187      187              
  Lines       41838    41792      -46     
  Branches     9319     9299      -20     
==========================================
- Hits        36545    36504      -41     
+ Misses       3623     3618       -5     
  Partials     1670     1670              

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[akuzm]

Maybe bug fix changelog entries should refer to fixed issues instead? I'm not sure why we require the PR numbers, it is inconvenient.

[jnidzwetzki]

@akuzm I brought this topic up when we talked about the release process roughly one year ago. The result was we don't want to change it at the moment since not all bugs and features have issues.

So, merging the PR in the current state for now.

[akuzm]

@akuzm I brought this topic up when we talked about the release process roughly one year ago. The result was we don't want to change it at the moment since not all bugs and features have issues.

This is true, but we can make it more flexible by allowing issue numbers as well as PR numbers.