Rename "Slash commands" to "Quick actions"

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/27070

Deprecate "chat commands" in favor of "slash commands"

We looked for things like:

 - `slash commmand`
 - `slash_command`
 - `slash-command`
 - `SlashCommand`

1 files changed, 2 insertions, 2 deletions

diff --git a/spec/services/merge_requests/create_service_spec.rb b/spec/services/merge_requests/create_service_spec.rb
index 13fee953e41..2026b7f6510 100644
--- a/spec/services/merge_requests/create_service_spec.rb
+++ b/spec/services/merge_requests/create_service_spec.rb
@@ -108,7 +108,7 @@ describe MergeRequests::CreateService, services: true do
       end
     end
 
-    it_behaves_like 'new issuable record that supports slash commands' do
+    it_behaves_like 'new issuable record that supports quick actions' do
       let(:default_params) do
         {
           source_branch: 'feature',
@@ -117,7 +117,7 @@ describe MergeRequests::CreateService, services: true do
       end
     end
 
-    context 'Slash commands' do
+    context 'Quick actions' do
       context 'with assignee and milestone in params and command' do
         let(:merge_request) { described_class.new(project, user, opts).execute }
         let(:milestone) { create(:milestone, project: project) }