Merge branch 'docs-fix-whitespace' into 'master'

Remove extra EOL whitespace automatically

See merge request gitlab-org/gitlab!44691

doc/development/telemetry/usage_ping.md

@@ -369,7 +369,7 @@ Implemented using Redis methods [PFADD](https://redis.io/commands/pfadd) and [PF
    end
    ```
 
-1. Track event using `track_usage_event(event_name, values) in services and graphql
+1. Track event using `track_usage_event(event_name, values)` in services and graphql
 
    Increment unique values count using Redis HLL, for given event name.
 

doc/push_rules/push_rules.md

@@ -184,7 +184,7 @@ bash_history
 
 Each file name contained in a Git push is compared to the regular expression in this field. Filenames in Git consist of both the file's name and any directory that may precede it. A singular regular expression can contain multiple independent matches used as exclusions. File names can be broadly matched to any location in the repository, or restricted to specific locations. Filenames can also be partial matches used to exclude file types by extension.
 
-The following examples make use of regex string boundary characters which match the beginning of a string (`^`), and the end (`$`). They also include instances where either the directory path or the filename can include `.` or `/`. Both of these special regex characters have to be escaped with a backslash `\` to be used as normal characters in a match condition.
+The following examples make use of regex string boundary characters which match the beginning of a string (`^`), and the end (`$`). They also include instances where either the directory path or the filename can include `.` or `/`. Both of these special regex characters have to be escaped with a backslash `\\` to be used as normal characters in a match condition.
 
 Example: prevent pushing any `.exe` files to any location in the repository. This is an example of a partial match, which can match any filename that contains `.exe` at the end:
 

doc/user/packages/conan_repository/index.md

@@ -276,7 +276,7 @@ To install a Conan package, you need:
 
 1. Add the Conan recipe to the `[requires]` section of the file:
 
-   ```ini
+   ```plaintext
    [requires]
    Hello/0.1@mycompany/beta