github action: install correct go-version

.github/workflows/manifests.yaml

@@ -5,7 +5,7 @@ on:
 
 jobs:
   deploy:
-    strategy: 
+    strategy:
       matrix:
         k8s-version: ["v1.29.0"]
         descheduler-version: ["v0.28.1"]
@@ -21,6 +21,10 @@ jobs:
           node_image: kindest/node:${{ matrix.k8s-version }}
           kubectl_version: ${{ matrix.k8s-version }}
           config: test/kind-config.yaml
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          cache: true
       - name: Build image
         run: |
           VERSION="dev" make dev-image