Update development docs yaml code blocks

doc/development/database/database_reviewer_guidelines.md

@@ -23,7 +23,7 @@ For more information on the database review process, check the [database review
 Team members are encouraged to self-identify as database domain experts and add it to their [team profile](https://gitlab.com/gitlab-com/www-gitlab-com/-/blob/master/data/team.yml)
 
 ```yaml
-  projects:
+projects:
   gitlab:
     - reviewer database
 ```
@@ -70,7 +70,7 @@ they can update their [team profile](https://gitlab.com/gitlab-com/www-gitlab-co
 to a `trainee_maintainer database`:
 
 ```yaml
-  projects:
+projects:
   gitlab:
     - trainee_maintainer database
 ```

doc/development/documentation/styleguide.md

@@ -2155,7 +2155,7 @@ We store our Table of Contents in the `default-nav.yaml` file, in the
 following line:
 
 ```yaml
-      - category_title: GraphQL
+- category_title: GraphQL
 ```
 
 Be aware that CI tests for that second MR will fail with a bad link until the

doc/development/geo.md

@@ -147,7 +147,7 @@ request must also include the SHA256 sum of the file. An example JWT
 payload looks like:
 
 ```yaml
-{ "data": { sha256: "31806bb23580caab78040f8c45d329f5016b0115" }, iat: "1234567890" }
+{"data": {sha256: "31806bb23580caab78040f8c45d329f5016b0115"}, iat: "1234567890"}
 ```
 
 If the requested file matches the requested SHA256 sum, then the Geo

doc/development/import_export.md

@@ -244,7 +244,7 @@ project_tree:
       - :push_event_payload
   - issues:
     - events:
-    - ...
+    # ...
 ```
 
 Only include the following attributes for the models specified:
@@ -254,8 +254,7 @@ included_attributes:
   user:
     - :id
     - :email
-  ...
-
+  # ...
 ```
 
 Do not include the following attributes for the models specified: