Fix Rails/SaveBang Rubocop offenses for legacy github import

.rubocop_manual_todo.yml

@@ -280,10 +280,6 @@ Rails/SaveBang:
     - 'spec/lib/gitlab/import_export/uploads_manager_spec.rb'
     - 'spec/lib/gitlab/import_export/uploads_saver_spec.rb'
     - 'spec/lib/gitlab/import_export/wiki_restorer_spec.rb'
-    - 'spec/lib/gitlab/legacy_github_import/importer_spec.rb'
-    - 'spec/lib/gitlab/legacy_github_import/issue_formatter_spec.rb'
-    - 'spec/lib/gitlab/legacy_github_import/milestone_formatter_spec.rb'
-    - 'spec/lib/gitlab/legacy_github_import/pull_request_formatter_spec.rb'
     - 'spec/lib/gitlab/lets_encrypt/client_spec.rb'
     - 'spec/lib/gitlab/markdown_cache/active_record/extension_spec.rb'
     - 'spec/lib/gitlab/markdown_cache/redis/store_spec.rb'

changelogs/unreleased/issue-220040-fix-rails-savebang-legacy-github-import-module.yml

+---
+title: Fix Rails/SaveBang Rubocop offenses for legacy github import
+merge_request: 58054
+author: Huzaifa Iftikhar @huzaifaiftikhar
+type: fixed

spec/lib/gitlab/legacy_github_import/importer_spec.rb

@@ -290,7 +290,7 @@ RSpec.describe Gitlab::LegacyGithubImport::Importer do
     subject { described_class.new(project) }
 
     before do
-      project.update(import_type: 'gitea', import_url: "#{repo_root}/foo/group/project.git")
+      project.update!(import_type: 'gitea', import_url: "#{repo_root}/foo/group/project.git")
     end
 
     it_behaves_like 'Gitlab::LegacyGithubImport::Importer#execute' do

spec/lib/gitlab/legacy_github_import/issue_formatter_spec.rb

@@ -152,7 +152,7 @@ RSpec.describe Gitlab::LegacyGithubImport::IssueFormatter do
 
   context 'when importing a Gitea project' do
     before do
-      project.update(import_type: 'gitea')
+      project.update!(import_type: 'gitea')
     end
 
     it_behaves_like 'Gitlab::LegacyGithubImport::IssueFormatter#attributes'

spec/lib/gitlab/legacy_github_import/milestone_formatter_spec.rb

@@ -92,7 +92,7 @@ RSpec.describe Gitlab::LegacyGithubImport::MilestoneFormatter do
     let(:iid_attr) { :id }
 
     before do
-      project.update(import_type: 'gitea')
+      project.update!(import_type: 'gitea')
     end
 
     it_behaves_like 'Gitlab::LegacyGithubImport::MilestoneFormatter#attributes'

spec/lib/gitlab/legacy_github_import/pull_request_formatter_spec.rb

@@ -260,7 +260,7 @@ RSpec.describe Gitlab::LegacyGithubImport::PullRequestFormatter do
 
   context 'when importing a Gitea project' do
     before do
-      project.update(import_type: 'gitea')
+      project.update!(import_type: 'gitea')
     end
 
     it_behaves_like 'Gitlab::LegacyGithubImport::PullRequestFormatter#attributes'