perf(oidc): optimize the introspection endpoint (#6909)

* get key by id and cache them

* userinfo from events for v2 tokens

* improve keyset caching

* concurrent token and client checks

* client and project in single query

* logging and otel

* drop owner_removed column on apps and authN tables

* userinfo and project roles in go routines

* get  oidc user info from projections and add actions

* add avatar URL

* some cleanup

* pull oidc work branch

* remove storage from server

* add config flag for experimental introspection

* legacy introspection flag

* drop owner_removed column on user projections

* drop owner_removed column on useer_metadata

* query userinfo unit test

* query introspection client test

* add user_grants to the userinfo query

* handle PAT scopes

* bring triggers back

* test instance keys query

* add userinfo unit tests

* unit test keys

* go mod tidy

* solve some bugs

* fix missing preferred login name

* do not run triggers in go routines, they seem to deadlock

* initialize the trigger handlers late with a sync.OnceValue

* Revert "do not run triggers in go routines, they seem to deadlock"

This reverts commit 2a03da2127.

* add missing translations

* chore: update go version for linting

* pin oidc version

* parse a global time location for query test

* fix linter complains

* upgrade go lint

* fix more linting issues

---------

Co-authored-by: Stefan Benz <46600784+stebenz@users.noreply.github.com>

internal/query/testdata/userinfo_machine.json

@@ -0,0 +1,40 @@
+{
+  "user": {
+    "id": "240707570677841922",
+    "creation_date": "2023-11-14T13:34:52.473732+00:00",
+    "change_date": "2023-11-14T13:35:02.861342+00:00",
+    "sequence": 2,
+    "state": 1,
+    "resource_owner": "231848297847848962",
+    "username": "tests",
+    "preferred_login_name": "tests@demo.localhost",
+    "human": null,
+    "machine": {
+      "name": "tests",
+      "description": "My test service user"
+    }
+  },
+  "org": {
+    "name": "demo",
+    "primary_domain": "demo.localhost"
+  },
+  "metadata": [
+    {
+      "creation_date": "2023-11-14T13:35:30.126849+00:00",
+      "change_date": "2023-11-14T13:35:30.126849+00:00",
+      "sequence": 3,
+      "resource_owner": "231848297847848962",
+      "key": "first",
+      "value": "SGVsbG8gV29ybGQh"
+    },
+    {
+      "creation_date": "2023-11-14T13:35:44.028343+00:00",
+      "change_date": "2023-11-14T13:35:44.028343+00:00",
+      "sequence": 4,
+      "resource_owner": "231848297847848962",
+      "key": "second",
+      "value": "QnllIFdvcmxkIQ=="
+    }
+  ],
+  "user_grants": null
+}