Rename {enable|disable}_column_stats API

[fabriziomello]

For better understanding we've decided to rename the public API from {enable|disable}_column_stats to {enable|disable}_chunk_skipping.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.74%. Comparing base (59f50f2) to head (98874e0).
Report is 270 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7157      +/-   ##
==========================================
+ Coverage   80.06%   81.74%   +1.67%     
==========================================
  Files         190      203      +13     
  Lines       37181    37975     +794     
  Branches     9450     9847     +397     
==========================================
+ Hits        29770    31042    +1272     
+ Misses       2997     2980      -17     
+ Partials     4414     3953     -461     

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[pallavisontakke]

Does the test file name itself as chunk_column_stats seem alright? Would it need chunk_skipping in the name?

[fabriziomello]

To make it simple and fast I've decided to only rename the public API.

[pallavisontakke]

Would we need changes to the file https://github.com/timescale/timescaledb/blob/main/.unreleased/pr_7020 ? It right now says:
Implements: #7020: Add support for the chunk column statistics tracking.

[fabriziomello]

Would we need changes to the file https://github.com/timescale/timescaledb/blob/main/.unreleased/pr_7020 ? It right now says: Implements: #7020: Add support for the chunk column statistics tracking.

At this point would be better to change the release PRs.

[timescale-automation]

Automated backport to 2.15.x not done: cherry-pick failed.

Git status

HEAD detached at origin/2.15.x
You are currently cherry-picking commit 554957cc1.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	new file:   tsl/test/expected/chunk_column_stats-16.out
	modified:   tsl/test/sql/.gitignore

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   tsl/test/expected/chunk_column_stats-14.out
	deleted by us:   tsl/test/expected/chunk_column_stats-15.out
	both modified:   tsl/test/sql/CMakeLists.txt
	deleted by us:   tsl/test/sql/chunk_column_stats.sql.in

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