ci: put osv-scalibr updates in their own group

[G-Rath]

I think this is needed because we are already grouping dependencies in the golang category into a group, so by having an explicit group name for this package rule it should cause them not to get merged

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.60%. Comparing base (0592eca) to head (c027769).
⚠️ Report is 437 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2105   +/-   ##
=======================================
  Coverage   67.60%   67.60%           
=======================================
  Files         173      173           
  Lines       16319    16319           
=======================================
  Hits        11033    11033           
  Misses       4611     4611           
  Partials      675      675           

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