website/docs: prepare 2022.5 release notes

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

website/docs/releases/v2022.5.md

@@ -0,0 +1,49 @@
+---
+title: Release 2022.5
+slug: "2022.5"
+---
+
+## Breaking changes
+
+## New features
+
+- LDAP Outpost cached binding
+
+  Instead of always executing the configured flow when a new Bind request is received, the provider can now be configured to cache the session from the initial flow execution, and directly validate credentials in the outpost. This drastically improves the bind performance.
+
+  See [LDAP provider](../providers/ldap.md#cached-bind)
+
+## Minor changes/fixes
+
+- *: decrease frequency of background tasks, smear tasks based on name and fqdn
+- core: add custom shell command which imports all models and creates events for model events
+- core: add flag to globally disable impersonation
+- events: fix created events only being logged as debug level
+- flows: handle flow title formatting error better, add user to flow title context
+- outposts/ldap: cached bind (#2824)
+- policies: fix current user not being set in server-side policy deny
+- root: export poetry deps to requirements.txt so we don't need poetry … (#2823)
+- root: handle JSON error in metrics too
+- root: set SESSION_SAVE_EVERY_REQUEST to enable sliding sessions
+- root: use npm ci
+- sources/oauth: Fix wording for OAuth source names (#2732)
+- stages/user_delete: fix delete stage failing when pending user is not explicitly set
+- web/user: add missing checkbox element in user settings (#2762)
+
+## Upgrading
+
+This release does not introduce any new requirements.
+
+### docker-compose
+
+Download the docker-compose file for 2022.5 from [here](https://goauthentik.io/version/2022.5/docker-compose.yml). Afterwards, simply run `docker-compose up -d`.
+
+### Kubernetes
+
+Update your values to use the new images:
+
+```yaml
+image:
+  repository: ghcr.io/goauthentik/server
+  tag: 2022.5.1
+```