chore: Update golangci/golangci-lint-action digest to 55c2c14

Author: grafanarenovatebot[bot]

.github/workflows/push-pr.yaml

@@ -75,6 +75,6 @@ jobs:
           echo "golangci=$(make lint-version)" >> $GITHUB_OUTPUT
       # Use the golangci-lint action, which provides Github-specific features such as diff annotations.
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@4696ba8babb6127d732c3c6dde519db15edab9ea # v6
+        uses: golangci/golangci-lint-action@55c2c1448f86e01eaae002a5a3a9624417608d84 # v6
         with:
           version: ${{ steps.version.golangci }}