Feat:Add: "auto-label" GitHub Workflow for Automated Labeling

### Describe the feature

### Description

**Objective:** Implement an "auto-label" GitHub workflow to automatically assign the "gssoc-ext" and "hacktoberfest-accepted" labels to relevant pull requests and issues.

**Details:**

- This workflow will streamline the labeling process by automatically applying the "gssoc-ext" and the "hacktoberfest-accepted" label to Issues.
- By automating these labels, we can ensure consistent tracking and visibility of contributions tied to these significant events.

Hey @andoriyaprashant Please Assign me this Task

### Add ScreenShots

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### Record

- [X] I agree to follow this project's Code of Conduct
- [X] I'm a GSSOC'24 contributor
- [X] I want to work on this issue