[QA] Fix wrong calls to Factory::Repository::Push -> Factory::Repository::ProjectPush

Signed-off-by: Rémy Coutable <remy@rymai.me>

qa/qa/specs/features/ee/geo/rename_replication_spec.rb

@@ -13,7 +13,7 @@ module QA
         geo_project_name = project.name
         expect(project.name).to include 'geo-before-rename'
 
-        Factory::Repository::Push.fabricate! do |push|
+        Factory::Repository::ProjectPush.fabricate! do |push|
           push.project = project
           push.file_name = 'README.md'
           push.file_content = '# This is Geo project!'

qa/qa/specs/features/ee/geo/repository_replication_spec.rb

@@ -12,7 +12,7 @@ module QA
         geo_project_name = Page::Project::Show.act { project_name }
         expect(geo_project_name).to include 'geo-project'
 
-        Factory::Repository::Push.fabricate! do |push|
+        Factory::Repository::ProjectPush.fabricate! do |push|
           push.file_name = 'README.md'
           push.file_content = '# This is Geo project!'
           push.commit_message = 'Add README.md'