switched to using GitHub Packages for storing bottles

.github/workflows/publish.yml

@@ -6,16 +6,13 @@ on:
 
 env:
  HOMEBREW_NO_INSTALL_FROM_API: 1
-
-permissions:
- actions: read
- contents: write
- pull-requests: write
+ HOMEBREW_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
 jobs:
  pr-pull:
  if: contains(github.event.pull_request.labels.*.name, 'pr-pull')
  runs-on: ubuntu-latest
+ permissions: write-all
  steps:
  - name: Set up Homebrew
  uses: Homebrew/actions/setup-homebrew@master
@@ -25,7 +22,6 @@ jobs:
 
  - name: Pull bottles
  env:
- HOMEBREW_NO_INSTALL_FROM_API: 1
  HOMEBREW_GITHUB_API_TOKEN: ${{ github.token }}
  HOMEBREW_GITHUB_PACKAGES_TOKEN: ${{ github.token }}
  HOMEBREW_GITHUB_PACKAGES_USER: ${{ github.actor }}

.github/workflows/tests.yml

@@ -32,17 +32,13 @@ jobs:
  # query whether all dependencies are bottled
  - run: brew unbottled Macaulay2
 
- - name: Install Homebrew Bundler RubyGems
- if: steps.cache.outputs.cache-hit != 'true'
- run: brew install-bundler-gems
-
  - run: brew test-bot --only-cleanup-before
 
  - run: brew test-bot --only-setup
 
  - run: brew test-bot --only-tap-syntax
 
- - run: brew test-bot --only-formulae --verbose
+ - run: brew test-bot --only-formulae --verbose --root-url=https://ghcr.io/v2/macaulay2/tap
  if: github.event_name == 'pull_request'
 
  - name: Upload bottles as artifact