fix(docs): Corrected filename of the PR template

https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/creating-a-pull-request-template-for-your-repository

.github/pull_request_template.md

@@ -0,0 +1,26 @@
+---
+name: 'Pull request'
+about: 'Create a pull request to improve SecLists'
+title: '[Pull request]: '
+labels: 'enhancement'
+assignees: ''
+
+---
+
+<!--- IMPORTANT --->
+<!--- Please make sure you've checked the CONTRIBUTING.md before creating a pull-request: https://github.com/danielmiessler/SecLists/blob/master/CONTRIBUTING.md -->
+<!--- IMPORTANT --->
+
+**Describe the added commits**
+<!--- A clear and concise description of what is being added to the repository. -->
+
+**Purpose of pull request**
+<!--- Tell us what made you decide to open a pull request. --->
+<!--- If you added a wordlist, describe what it could be used for --->
+
+**Source**
+<!--- Put/link the source here. -->
+
+**Additional context**
+<!--- Add any other context about the problem/missing feature that you are fixing/solving here. 
+Tag the issue here if applicable. -->