Fix: Correct Issue Reference to Pull Request in Actions Security Docs (github#36519)

Author: atxtechbro

content/actions/security-for-github-actions/security-guides/security-hardening-for-github-actions.md

@@ -145,7 +145,7 @@ In this example, the attempted script injection is unsuccessful, which is reflec
 PR title did not start with 'octocat'
 ```
 
-With this approach, the value of the {% raw %}`${{ github.event.issue.title }}`{% endraw %} expression is stored in memory and used as a variable, and doesn't interact with the script generation process. In addition, consider using double quote shell variables to avoid [word splitting](https://github.com/koalaman/shellcheck/wiki/SC2086), but this is [one of many](https://mywiki.wooledge.org/BashPitfalls) general recommendations for writing shell scripts, and is not specific to {% data variables.product.prodname_actions %}.
+With this approach, the value of the {% raw %}`${{ github.event.pull_request.title }}`{% endraw %} expression is stored in memory and used as a variable, and doesn't interact with the script generation process. In addition, consider using double quote shell variables to avoid [word splitting](https://github.com/koalaman/shellcheck/wiki/SC2086), but this is [one of many](https://mywiki.wooledge.org/BashPitfalls) general recommendations for writing shell scripts, and is not specific to {% data variables.product.prodname_actions %}.
 
 {% ifversion fpt or ghec %}