feat(api): new session service (#5801)

* backup new protoc plugin

* backup

* session

* backup

* initial implementation

* change to specific events

* implement tests

* cleanup

* refactor: use new protoc plugin for api v2

* change package

* simplify code

* cleanup

* cleanup

* fix merge

* start queries

* fix tests

* improve returned values

* add token to projection

* tests

* test db map

* update query

* permission checks

* fix tests and linting

* rework token creation

* i18n

* refactor token check and fix tests

* session to PB test

* request to query tests

* cleanup proto

* test user check

* add comment

* simplify database map type

* Update docs/docs/guides/integrate/access-zitadel-system-api.md

Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>

* fix test

* cleanup

* docs

---------

Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>

internal/static/i18n/de.yaml

@@ -470,6 +470,11 @@ Errors:
     Execution:
       StorageFailed: Das Speichern des Action Logs in der Datenbank ist fehlgeschlagen
       ScanFailed: Das Abfragen der verbrauchten Actions Sekunden ist fehlgeschlagen
+  Session:
+    NotExisting: Session existiert nicht
+    Terminated: Session bereits beendet
+    Token:
+      Invalid: Session Token ist ungültig
 
 AggregateTypes:
   action: Action