Fix PIE repository URL to use upstream valkey-io repository

- Change from jduo/valkey-glide-php to valkey-io/valkey-glide-php
- Use branch reference instead of commit SHA for upstream repo
- Ensures PIE can find the correct branch and commits

Signed-off-by: James Duong <[email protected]>

Author: jduo

.github/workflows/test-pie.yml

@@ -85,8 +85,8 @@ jobs:
                   "version_normalized": "1.0.0.0",
                   "source": {
                     "type": "git",
-                    "url": "https://github.com/jduo/valkey-glide-php.git",
-                    "reference": "${{ github.sha }}"
+                    "url": "https://github.com/valkey-io/valkey-glide-php.git",
+                    "reference": "${{ github.head_ref || github.ref_name }}"
                   },
                   "type": "php-ext",
                   "php-ext": {