chore(BLUE-129): pin golangci-lint-action version (#21)

Author: tanguy-platsec

.github/workflows/golangci.yml

@@ -20,6 +20,6 @@ jobs:
       - run: go mod vendor
 
       - name: Run golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@55c2c1448f86e01eaae002a5a3a9624417608d84 # v6
         with:
-          version: v1.64.8
+          version: v1.64.8