Simplify group updates by dep type test to fix CI (#8344)

Just check that only prod (and not dev) dependencies are updated (and
the other way around for the opposite situation), instead of asserting
for exact lockfiles, which are brittle to releases of transitive
dependencies.

updater/spec/dependabot/updater/operations/group_update_all_versions_spec.rb

@@ -233,7 +233,7 @@
         gemfile_lock = dependency_change.updated_dependency_files.find do |file|
           file.path == "/Gemfile.lock"
         end
-        expect(gemfile_lock.content).to eql(fixture("bundler_grouped_by_types/updated_development_deps/Gemfile.lock"))
+        expect(gemfile_lock.content).to include("rubocop (1.56.0)").and include("rack (2.1.3)")
       end
 
       expect(mock_service).to receive(:create_pull_request) do |dependency_change|
@@ -251,7 +251,7 @@
         gemfile_lock = dependency_change.updated_dependency_files.find do |file|
           file.path == "/Gemfile.lock"
         end
-        expect(gemfile_lock.content).to eql(fixture("bundler_grouped_by_types/updated_production_deps/Gemfile.lock"))
+        expect(gemfile_lock.content).to include("rubocop (0.75.0)").and include("rack (3.0.8)")
       end
 
       group_update_all.perform

updater/spec/fixtures/job_definitions/bundler/version_updates/group_update_all_by_dependency_type.yaml

@@ -15,6 +15,8 @@ job:
   ignore-conditions:
     - dependency-name: rubocop
       version-requirement: "> 1.56.0"
+    - dependency-name: rack
+      version-requirement: "> 3.0.8"
   requirements-update-strategy:
   allowed-updates:
     - dependency-type: direct