[WIP] [MM-55031] OAuth Outgoing Connection App integration (#25379)

* OAuthOutgoingConnection model

* added store

* make generated

* add missing license headers

* fix receiver name

* i18n

* i18n sorting

* update migrations from master

* make migrations-extract

* update retrylayer tests

* replaced sql query with id pagination

* fixed flaky tests

* missing columns

* missing columns on save/update

* typo

* improved tests

* remove enum from mysql colum

* add password credentials to store

* license changes

* OAuthOutgoingConnectionInterface

* Oauth -> OAuth

* make generated

* merge migrations

* renamed migrations

* model change suggestions

* refactor test functionsn

* migration typo

* refactor store table names

* updated sanitize test

* cleanup merge

* refactor symbol

* list endpoint

* oauthoutgoingconnection -> outgoingoauthconnection

* signature change

* i18n update

* granttype typo

* naming

* api list

* uppercase typo

* i18n

* missing license header

* fixed path in comments

* updated openapi definitions

* sanitize connections

* make generated

* test license and no feature flag

* removed t.fatal

* updated testhelper calls

* yaml schema fixes

* switched interface name

* suggested translation

* missing i18n translation

* address comments

* updated i18n

api/Makefile

@@ -52,6 +52,7 @@ build-v4: node_modules playbooks
 	@cat $(V4_SRC)/ip_filters.yaml >> $(V4_YAML)
 	@cat $(V4_SRC)/reports.yaml >> $(V4_YAML)
 	@cat $(V4_SRC)/limits.yaml >> $(V4_YAML)
+	@cat $(V4_SRC)/outgoing_oauth_connections.yaml >> $(V4_YAML)
 	@if [ -r $(PLAYBOOKS_SRC)/paths.yaml ]; then cat $(PLAYBOOKS_SRC)/paths.yaml >> $(V4_YAML); fi
 	@if [ -r $(PLAYBOOKS_SRC)/merged-definitions.yaml ]; then cat $(PLAYBOOKS_SRC)/merged-definitions.yaml >> $(V4_YAML); else cat $(V4_SRC)/definitions.yaml >> $(V4_YAML); fi
 	@echo Extracting code samples