root: docker-compose: remove version top level element (#9631)

.

.github/actions/setup/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3.7"
-
 services:
   postgresql:
     image: docker.io/library/postgres:${PSQL_TAG:-16}

docker-compose.yml

@@ -1,5 +1,4 @@
 ---
-version: "3.4"
 
 services:
   postgresql:

scripts/docker-compose.yml

@@ -1,5 +1,3 @@
-version: "3.7"
-
 services:
   postgresql:
     container_name: postgres

website/developer-docs/setup/frontend-dev-environment.md

@@ -32,8 +32,6 @@ Depending on platform, some native dependencies might be required. On macOS, run
 4. Add this volume mapping to your compose file
 
     ```yaml
-    version: "3.4"
-
     services:
         # [...]
         server:

website/docs/core/certificates.md

@@ -78,8 +78,6 @@ Starting with authentik 2021.12.4, you can configure the certificate authentik u
 To use Let's Encrypt certificates with this setup, using certbot, you can use this compose override (create or edit a file called `docker-compose.override.yml` in the same folder as the authentik docker-compose file)
 
 ```yaml
-version: "3.2"
-
 services:
     certbot:
         image: certbot/dns-route53:v1.22.0

website/docs/core/geoip.mdx

@@ -64,8 +64,6 @@ Sign up for a free MaxMind account [here](https://www.maxmind.com/en/geolite2/si
 Add the following block to a `docker-compose.override.yml` file in the same folder as the authentik docker-compose file:
 
 ```yaml
-version: "3.2"
-
 services:
     server:
         volumes:

website/docs/interfaces/_global/customcss.mdx

@@ -15,8 +15,6 @@ import TabItem from "@theme/TabItem";
 Create a `docker-compose.override.yml` file and add this block to mount the custom CSS file:
 
 ```yaml
-version: "3.2"
-
 services:
     server:
         volumes:

website/docs/outposts/manual-deploy-docker-compose.md

@@ -9,8 +9,6 @@ You can also run the outpost in a separate docker-compose project, you just have
 ### Proxy outpost
 
 ```yaml
-version: "3.5"
-
 services:
     authentik_proxy:
         image: ghcr.io/goauthentik/proxy
@@ -33,8 +31,6 @@ services:
 ### LDAP outpost
 
 ```yaml
-version: "3.5"
-
 services:
     authentik_ldap:
         image: ghcr.io/goauthentik/ldap
@@ -54,8 +50,6 @@ services:
 ### RADIUS outpost
 
 ```yaml
-version: "3.5"
-
 services:
     radius_outpost:
         image: ghcr.io/goauthentik/radius

website/docs/providers/proxy/_traefik_compose.md

@@ -1,5 +1,4 @@
 ```yaml
-version: "3.7"
 services:
     traefik:
         image: traefik:v3.0

website/integrations/services/powerdns-admin/index.md

@@ -60,7 +60,6 @@ You must mount the certificate selected in authentik as a file in the Docker con
 ### docker-compose
 
 ```yaml
-version: "3.3"
 services:
     powerdns-admin:
         image: powerdnsadmin/pda-legacy:latest