Stop release tag update from PRs

Signed-off-by: Connor Avery <[email protected]>

Author: connoravo-nhs

.github/workflows/sam_release_code.yml

@@ -249,7 +249,7 @@ jobs:
           path: gh-pages
 
       - name: update release tag in github pages
-        if: ${{ inputs.TARGET_ENVIRONMENT != 'dev-pr' }}
+        if: ${{ inputs.IS_PULL_REQUEST == false }}
         run: |
           cd gh-pages
           NOW=$(date +'%Y-%m-%dT%H:%M:%S')