ci: add go lint checks job

Signed-off-by: rare-magma <[email protected]>

.github/workflows/ci.yml

@@ -15,7 +15,36 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-go@v5
+
+    - name: Go Format
+      run: gofmt -s -w . && git diff --exit-code
+
+    - name: Go Vet
+      run: go vet
+
+    - name: Go Tidy
+      run: go mod tidy && git diff --exit-code
+
+    - name: Go Mod
+      run: go mod download
+
+    - name: Go Mod Verify
+      run: go mod verify
+
+    - name: Install govulncheck
+      run: go install golang.org/x/vuln/cmd/govulncheck@latest
+
+    - name: Run govulncheck
+      run: govulncheck
+
   build-and-push-image:
+    needs: lint
     runs-on: ubuntu-latest
     timeout-minutes: 10
     permissions:
@@ -54,6 +83,7 @@ jobs:
           annotations: ${{ steps.meta.outputs.annotations }}
 
   releases-matrix:
+    needs: lint
     permissions:
       contents: write
     name: Release Go Binaries

go.mod

@@ -1,6 +1,6 @@
 module github_exporter
 
-go 1.22.7
+go 1.23
 
 require github.com/google/go-github/v66 v66.0.0