Adds changelog for 12.1.3

[gurkanindibay]

No description provided.

[codecov]

Codecov Report

Merging #7587 (000bc09) into main (a0151aa) will increase coverage by 0.00%.
The diff coverage is n/a.

Additional details and impacted files

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##             main    #7587   +/-   ##
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  Coverage   89.69%   89.70%           
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  Files         283      283           
  Lines       60505    60506    +1     
  Branches     7538     7538           
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+ Hits        54270    54275    +5     
+ Misses       4081     4078    -3     
+ Partials     2154     2153    -1     

[onurctirtir]

The following are missing changelog entries, could you work with @hanefi to come up with changelog entries for those PRs?

Let's also write down changelog entries you would come up with back to relevant PR descriptions so that in a future release we can re-use them without having to check changelog.md:

• Fix segfault. Issue #7381 #7554
• Fix error in master_disable_node/citus_disable_node #7492
• Change the order in which the locks are acquired #7542
• fix multi_cluster_management check timeout  #7377 (hint: fix multi_cluster_management check timeout  #7377 (comment))

[gurkanindibay]

The following are missing changelog entries, could you work with @hanefi to come up with changelog entries for those PRs?

Let's also write down changelog entries you would come up with back to relevant PR descriptions so that in a future release we can re-use them without having to check changelog.md:

• Fix segfault. Issue #7381 #7554
• Fix error in master_disable_node/citus_disable_node #7492
• Change the order in which the locks are acquired #7542
• fix multi_cluster_management check timeout  #7377 (hint: fix multi_cluster_management check timeout  #7377 (comment))

Added descriptions in those PR's and added those descriptions as the changelog item in the Changelog file. @hanefi @onurctirtir could you check if it is ok?

[onurctirtir]

(Sorry, I was out on Friday afternoon hence just had a chance to take a look into the PR)

[hanefi]

Please check line lengths after applying my suggestions.

[hanefi]

Suggested change

	* Fixes performance issue in when tracking foreign key constraints on
	* Fixes a performance issue in when tracking foreign key constraints on