Replace deprecated binstub option

Author: JonRowe

ci/.github/workflows/ci.yml

@@ -61,7 +61,8 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
       - run: script/update_rubygems_and_install_bundler
       - run: script/clone_all_rspec_repos
-      - run: bundle install --binstubs --standalone
+      - run: bundle install --standalone
+      - run: bundle binstubs --all
       - run: script/run_build
 
   legacy:

ci/script/functions.sh

@@ -136,10 +136,7 @@ function check_binstubs {
     echo "  $ bundle binstubs$gems"
     echo
     echo "  # To binstub all gems"
-    echo "  $ bundle install --binstubs"
-    echo
-    echo "  # To binstub all gems and avoid loading bundler"
-    echo "  $ bundle install --binstubs --standalone"
+    echo "  $ bundle binstubs --all"
   fi
 
   return $success