Update docs/github-actions-use-policy.md

Place action name in back ticks.

Co-authored-by: Russell Bryant <rbryant@redhat.com>
Signed-off-by: BJ Hargrave <bj@hargrave.dev>

Author: bjhargrave

docs/github-actions-use-policy.md

@@ -87,4 +87,4 @@ The report will also suggest modifications to the harden-runner action's configu
 ```
 
 Hardening the action runner like this can prevent malicious or misbehaving actions or the misuse of actions from exfiltrating secrets.
-The article [Harden-Runner Defends Against Arbitrary Command Execution in tj-actions/changed-files GitHub Action](https://www.stepsecurity.io/blog/defend-against-arbitrary-command-execution-in-tj-actions-changed-files) shows how the misuse of an action could allow an attacker with a well-crafted pull request to exfiltrate secrets.
+The article [Harden-Runner Defends Against Arbitrary Command Execution in `tj-actions/changed-files` GitHub Action](https://www.stepsecurity.io/blog/defend-against-arbitrary-command-execution-in-tj-actions-changed-files) shows how the misuse of an action could allow an attacker with a well-crafted pull request to exfiltrate secrets.