Added go module caching.

Author: bexxmodd

.github/workflows/crd-validation.yml

@@ -20,6 +20,9 @@ jobs:
 
       - name: Set up Go
         uses: actions/setup-go@v6
+        with:
+          go-version: '1.25'
+          cache: true
 
       - name: Install crdify
         run: |