Disable the homebrew pr submitting temporarily.

Since it's an external repository, and we are in the
process of testing our submitting to dockerhub it
makes sense to temporarily disable it to avoid spamming
it with temporary/experimental PRs.

Author: NlightNFotis

.github/workflows/release-packages.yaml

@@ -118,6 +118,7 @@ jobs:
 
 
   homebrew-pr:
+    if: ${{ false }}  # disable for now
     runs-on: macos-10.15
     steps:
       - name: Get release tag name