Change workflow permissions level (#2369)

Signed-off-by: ZePan110 <ze.pan@intel.com>

Author: ZePan110

.github/workflows/manual-freeze-tag.yml

@@ -2,8 +2,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 name: Freeze OPEA images release tag
-permissions:
-  contents: write
+
 on:
   workflow_dispatch:
     inputs:
@@ -16,7 +15,8 @@ on:
 jobs:
   freeze-tag:
     runs-on: ubuntu-latest
-
+    permissions:
+      contents: write
     steps:
       - name: Checkout repository
         uses: actions/checkout@1e31de5234b9f8995739874a8ce0492dc87873e2