Promote 5 Create tests to reliable

Based on two latest reliability reports

qa/qa/specs/features/browser_ui/3_create/merge_request/create_merge_request_via_template_spec.rb

 # frozen_string_literal: true
 
 module QA
-  RSpec.describe 'Create' do
+  RSpec.describe 'Create', :reliable do
     describe 'Merge request custom templates' do
       let(:template_name) { 'custom_merge_request_template'}
       let(:template_content) { 'This is a custom merge request template test' }

qa/qa/specs/features/browser_ui/3_create/merge_request/revert/revert_commit_spec.rb

 # frozen_string_literal: true
 
 module QA
-  RSpec.describe 'Create' do
+  RSpec.describe 'Create', :reliable do
     describe 'Reverting a commit' do
       let(:file_name) { "secret_file.md" }
 

qa/qa/specs/features/browser_ui/3_create/repository/file/create_file_via_web_spec.rb

 # frozen_string_literal: true
 
 module QA
-  RSpec.describe 'Create' do
+  RSpec.describe 'Create', :reliable do
     context 'File management' do
       file_name = 'QA Test - File name'
       file_content = 'QA Test - File content'

qa/qa/specs/features/browser_ui/3_create/repository/file/edit_file_via_web_spec.rb

 # frozen_string_literal: true
 
 module QA
-  RSpec.describe 'Create' do
+  RSpec.describe 'Create', :reliable do
     context 'File management' do
       let(:file) { Resource::File.fabricate_via_api! }
 

qa/qa/specs/features/browser_ui/3_create/snippet/create_project_snippet_with_multiple_files_spec.rb

 # frozen_string_literal: true
 
 module QA
-  RSpec.describe 'Create' do
+  RSpec.describe 'Create', :reliable do
     describe 'Multiple file snippet' do
       let(:snippet) do
         Resource::ProjectSnippet.fabricate_via_browser_ui! do |snippet|