Update common Prometheus files (prometheus-community#616)

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Author: prombot

.github/workflows/golangci-lint.yml

@@ -20,7 +20,7 @@ jobs:
       - name: install Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.19.x
+          go-version: 1.18.x
       - name: Install snmp_exporter/generator dependencies
         run: sudo apt-get update && sudo apt-get -y install libsnmp-dev
         if: github.repository == 'prometheus/snmp_exporter'