changed tests workflows to use go version from go.mod

changed tests workflows to use go version from go.mod

Signed-off-by: liranmauda <liran.mauda@gmail.com>
(cherry picked from commit 656f1f3)

Author: liranmauda

.github/workflows/run_admission_test.yml

@@ -20,7 +20,11 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.23"
+          go-version-file: ./noobaa-operator/go.mod
+          check-latest: true
+          cache: true
+          cache-dependency-path: |
+            **/go.sum
 
       - name: Set environment variables
         run: |