feat: Create an action to Set a Catalog Variable

[SapphicFire]

Is your feature request related to a problem? Please describe.
No

Describe the solution you'd like
At present, it is possible to Get Catalog Variables for a given record. I would like to have an action that can update a catalog variable

Additional context
No

[KanavCode]

@SapphicFire Can I work on this ?
Please assign this issue to me with labels hacktoberfest2025, hacktoberfest-accepted

[SapphicFire]

I will assign the issue, but not the tags as these are not required - the accepted tag applies to PRs, and the work is not done yet

[rohi-v]

Enhancement completed #45

[ravichandra1998g]

approved #91 with reference to this feature.