Pin bundler/rubygems to known working version

Author: JonRowe

ci/.github/workflows/ci.yml

@@ -57,7 +57,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          bundler: ${{ matrix.bundler || 2 }}
+          bundler: ${{ matrix.bundler || '2.2.22' }}
           ruby-version: ${{ matrix.ruby }}
       - run: script/update_rubygems_and_install_bundler
       - run: script/clone_all_rspec_repos
@@ -123,7 +123,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          bundler: 2
+          bundler: '2.2.22'
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
       - run: cinst ansicon

ci/script/update_rubygems_and_install_bundler

@@ -3,8 +3,8 @@ set -e
 source script/functions.sh
 
 if is_ruby_23_plus; then
-  yes | gem update --system
-  yes | gem install bundler
+  yes | gem update --system '3.2.22'
+  yes | gem install bundler -v '2.2.22'
 else
   echo "Warning installing older versions of Rubygems / Bundler"
   gem update --system '2.7.8'