update check-codeowners workflow

Signed-off-by: Moritz Wiesinger <[email protected]>

Author: mowies

.github/workflows/check-codeowners.yaml

@@ -21,43 +21,34 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  setup-environment:
-    timeout-minutes: 30
+  check-codeowners:
     runs-on: ubuntu-24.04
     if: ${{ github.actor != 'dependabot[bot]' }}
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version: "1.22.8"
-          cache: false
-      - name: Cache Go
-        id: go-cache
+
+      - name: Cache Go Tools
+        id: go-tools-cache
         timeout-minutes: 5
         uses: actions/cache@v4
         with:
           path: |
-            ~/go/bin
-            ~/go/pkg/mod
             ./.tools
-          key: go-cache-${{ runner.os }}-${{ hashFiles('**/go.sum') }}
-  check-codeowners:
-    runs-on: ubuntu-24.04
-    needs: [setup-environment]
-    steps:
-      - uses: actions/checkout@v4
-      - name: Gen githubgen tool
-        if: github.repository == 'open-telemetry/opentelemetry-collector-contrib'
+          key: go-tools-${{ runner.os }}-${{ hashFiles('internal/tools/go.sum') }}
+
+      - name: Install tools
+        if: github.repository == 'open-telemetry/opentelemetry-collector-contrib' && steps.go-tools-cache.outputs.cache-hit != 'true'
         run: |
-          make githubgen-install
-          echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
+          make install-tools
+
       - uses: actions/checkout@v4
         with:
           ref: ${{github.event.pull_request.head.ref}}
           repository: ${{github.event.pull_request.head.repo.full_name}}
           path: pr
+
       - name: Gen CODEOWNERS
         run: |
           cd pr
-          GITHUB_TOKEN=${{ secrets.READ_ORG_AND_USER_TOKEN }} githubgen
+          GITHUB_TOKEN=${{ secrets.READ_ORG_AND_USER_TOKEN }} ./.tools/githubgen codeowners
           git diff -s --exit-code || (echo 'Generated code is out of date, please apply this diff and commit the changes in this PR.' && git diff && exit 1)