Upgrade golangci-lint-action from 6.12 to 8

Author: alxbxbx

.github/workflows/golangci-lint.yml

@@ -28,6 +28,6 @@ jobs:
         run: sudo apt-get update && sudo apt-get -y install libsnmp-dev
         if: github.repository == 'prometheus/snmp_exporter'
       - name: Lint
-        uses: golangci/golangci-lint-action@v6.12.0
+        uses: golangci/golangci-lint-action@v8
         with:
-          version: v1.60.3
+          version: v2.4.0