Update golangci-lint.

Update golangci-lint for Go 1.21.
* Use consistent go-version syntax.

Signed-off-by: SuperQ <superq@gmail.com>

.github/workflows/ci.yml

@@ -55,7 +55,7 @@ jobs:
       - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
       - uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
-          go-version: '>=1.21 <1.22'
+          go-version: 1.21.x
       - run: |
           $TestTargets = go list ./... | Where-Object { $_ -NotMatch "(github.com/prometheus/prometheus/discovery.*|github.com/prometheus/prometheus/config|github.com/prometheus/prometheus/web)"}
           go test $TestTargets -vet=off -v
@@ -143,7 +143,7 @@ jobs:
         uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
           cache: false
-          go-version: 1.20.x
+          go-version: 1.21.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'

.github/workflows/codeql-analysis.yml

@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
       - uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
-          go-version: '>=1.21 <1.22'
+          go-version: 1.21.x
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@74483a38d39275f33fcff5f35b679b5ca4a26a99 # v2.22.5

scripts/golangci-lint.yml

@@ -22,7 +22,7 @@ jobs:
       - name: install Go
         uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # v3.5.0
         with:
-          go-version: 1.20.x
+          go-version: 1.21.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'