chore: Add release-plz schema action run

[bgins]

Description

This PR makes the following changes:

• Update schemas action to run on release-plz branches on manifest changes only
• Update schemas action to run on main for both manifest and Rust changes

release-plz updates versions that we reference in schemas, which put the versions in the schemas out of date. This PR updates the action to handle version changes.

Type of change

• Refactor (non-breaking change that updates existing functionality)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.40%. Comparing base (2d77b0a) to head (9faac07).
Report is 8 commits behind head on main.

❗ Current head 9faac07 differs from pull request most recent head eaab37e. Consider uploading reports for the commit eaab37e to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #594      +/-   ##
==========================================
- Coverage   72.42%   72.40%   -0.02%     
==========================================
  Files          95       95              
  Lines       12473    12505      +32     
==========================================
+ Hits         9033     9054      +21     
- Misses       3440     3451      +11     

see 3 files with indirect coverage changes