ci: Future proof golangci-lint workflow by using dynamic base branch (#3805)

* Initial plan

* ci: Future proof golangci-lint workflow by using dynamic base branch

Co-authored-by: jpayne3506 <89417863+jpayne3506@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: jpayne3506 <89417863+jpayne3506@users.noreply.github.com>

Author: Copilot

.github/workflows/golangci.yaml

@@ -30,4 +30,4 @@ jobs:
       uses: golangci/golangci-lint-action@v6
       with:
         version: v1.61
-        args: --new-from-rev=origin/master --config=.golangci.yml --timeout=25m 
+        args: ${{ github.event_name == 'pull_request' && format('--new-from-rev=origin/{0}', github.base_ref) || '' }} --config=.golangci.yml --timeout=25m 

.golangci.yml

@@ -1,7 +1,6 @@
 issues:
   max-same-issues: 0
   max-issues-per-linter: 0
-  new-from-rev: origin/master
 linters:
   presets: 
   - bugs