Update image manifest retrieval in builder

workflow

.github/workflows/builder.yml

@@ -12,16 +12,12 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      # Encode GITHUB_TOKEN
-      - name: Encode GITHUB_TOKEN
-        run: echo "GHCR_TOKEN=$(echo ${{ secrets.GITHUB_TOKEN }} | base64)" >> $GITHUB_ENV
-
       # Step 1: Fetch current image manifests
       - name: Fetch current manifests
         run: |
           IMAGES=("twitch-chat" "twitch-events" "steam" "dota")
           for IMAGE in "${IMAGES[@]}"; do
-            MANIFEST=$(curl -H "Accept: application/vnd.oci.image.index.v1+json" -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" "https://ghcr.io/v2/dotabod/$IMAGE/manifests/v2.1")
+            MANIFEST=$(curl -s -H "Accept: application/vnd.oci.image.index.v1+json" -H "Authorization: Bearer ${{ secrets.GHA_READ_PKG }}" "https://ghcr.io/v2/dotabod/$IMAGE/manifests/v2.1")
             echo "OLD_${IMAGE^^}_MANIFEST=$MANIFEST" >> $GITHUB_ENV
           done
 
@@ -49,7 +45,7 @@ jobs:
         run: |
           UPDATED_IMAGES=""
           for IMAGE in "${IMAGES[@]}"; do
-            NEW_MANIFEST=$(curl -H "Accept: application/vnd.oci.image.index.v1+json" -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" "https://ghcr.io/v2/dotabod/$IMAGE/manifests/v2.1")
+            NEW_MANIFEST=$(curl -H "Accept: application/vnd.oci.image.index.v1+json" -H "Authorization: Bearer ${{ secrets.GHA_READ_PKG }}" "https://ghcr.io/v2/dotabod/$IMAGE/manifests/v2.1")
             OLD_MANIFEST_VAR="OLD_${IMAGE^^}_MANIFEST"
             # Compare manifests (e.g., using digests or other relevant data)
             if [ "$NEW_MANIFEST" != "${!OLD_MANIFEST_VAR}" ]; then