workflows: update actions to current major versions
Fixes deprecation warnings for Node.js 12:
@@ -20,7 +20,7 @@ jobs:
- name: Install deps
run: yum -y install ShellCheck
- name: Checkout repository
- uses: actions/checkout@v2
+ uses: actions/checkout@v3
- run: make shellcheck
golangci-lint:
name: golangci-lint
