Replace pytorch-labs with meta-pytorch (#221)

Summary:
This PR replaces all instances of `pytorch-labs` with `meta-pytorch` in this repository now that the `pytorch-labs` org has been renamed to `meta-pytorch`

## Changes Made
- Replaced all occurrences of `pytorch-labs` with `meta-pytorch`
- Only modified files with extensions: .py, .md, .sh, .rst, .cpp, .h, .txt, .yml
- Skipped binary files and files larger than 1MB due to GitHub api payload limits in the script to cover all repos in this org. Will do a more manual second pass later to cover any larger files

## Files Modified
This PR updates files that contained the target text.

Generated by automated script on 2025-08-12T20:59:31.160006+00:00Z

Pull Request resolved: #221

Reviewed By: galrotem

Differential Revision: D80120561

Pulled By: ZainRizvi

fbshipit-source-id: 77f48261fe5f689f0a4f30f1a74ef2deb71106d6

Author: ZainRizvi

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -6,7 +6,7 @@ body:
     attributes:
       value: >
         #### Before submitting a bug, please make sure the issue hasn't been already addressed by searching through [the
-        existing and past issues](https://github.com/pytorch-labs/torcheval/issues?q=is%3Aissue+sort%3Acreated-desc+).
+        existing and past issues](https://github.com/pytorch/torcheval/issues?q=is%3Aissue+sort%3Acreated-desc+).
   - type: textarea
     attributes:
       label: 🐛 Describe the bug

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,4 +1,4 @@
-Please read through our [contribution guide](https://github.com/pytorch-labs/torcheval/blob/main/CONTRIBUTING.md) prior to creating your pull request.
+Please read through our [contribution guide](https://github.com/pytorch/torcheval/blob/main/CONTRIBUTING.md) prior to creating your pull request.
 
 Summary:
 <!-- Change Summary -->