Stop running Bundler v1

.rubocop.yml

@@ -14,7 +14,6 @@ AllCops:
     - "*/spec/fixtures/**/*"
     - "vendor/**/*"
     - "dry-run/**/*"
-    - "bundler/helpers/v1/patched_bundler"
     - "bundler/helpers/spec_helpers/*"
   NewCops: enable
   TargetRubyVersion: 3.1

.rubocop_todo.yml

@@ -9,7 +9,6 @@
 # Offense count: 39
 RSpec/AnyInstance:
   Exclude:
-    - 'bundler/helpers/v1/spec/shared_contexts.rb'
     - 'bundler/spec/dependabot/bundler/update_checker_spec.rb'
     - 'common/spec/dependabot/clients/codecommit_spec.rb'
     - 'common/spec/dependabot/file_fetchers/base_spec.rb'

bundler/Dockerfile

@@ -3,8 +3,7 @@ FROM ghcr.io/dependabot/dependabot-updater-core
 USER dependabot
 
 COPY --chown=dependabot:dependabot bundler/helpers /opt/bundler/helpers
-RUN bash /opt/bundler/helpers/v1/build \
-  && bash /opt/bundler/helpers/v2/build
+RUN bash /opt/bundler/helpers/v2/build
 
 COPY --chown=dependabot:dependabot bundler $DEPENDABOT_HOME/bundler
 COPY --chown=dependabot:dependabot common $DEPENDABOT_HOME/common