.github/workflow: fix generate-konflux

Signed-off-by: Vincent Demeester <[email protected]>

Author: vdemeester

.github/workflows/generate-konflux.yaml

@@ -18,6 +18,11 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository_owner == 'openshift-pipelines' # do not run this elsewhere
     steps:
+    - name: Checkout the repository
+      uses: actions/checkout@v4
+    - uses: actions/setup-go@v5
+      with:
+        go-version: 1.22.x
     - id: set-matrix
       run: |
         echo "projects=$(go run ./cmd/matrix config/konflux/*)" >> $GITHUB_OUTPUT