CHEF-33431: remove RUN_ID from build-docker-image.yml Strategy 0

GitHub-hosted runners are ephemeral — no shared Docker daemon between
jobs, so platform-ui:local tag is sufficient and unique per run.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: vaibhavGadre

.github/workflows/build-docker-image.yml

@@ -78,10 +78,9 @@ jobs:
             BRANCH_NAME="${{ github.head_ref || github.ref_name }}" \
             GIT_SHA="${{ github.sha }}" \
             APP_VERSION="${{ github.ref_name }}" \
-            RUN_ID="${{ github.run_id }}" \
             LOCALES="en" \
             ./build-docker.sh
-            IMAGES="platform-ui:${{ github.run_id }}"
+            IMAGES="platform-ui:local"
 
           # Strategy 1: Check for build-docker.sh script (e.g., dsm-erchef)
           elif [ -f "build-docker.sh" ]; then