add php 8.2 to workflow

Author: patinthehat

.github/workflows/run-tests.yml

@@ -9,7 +9,7 @@ jobs:
  fail-fast: true
  matrix:
  os: [ubuntu-latest, windows-latest]
- php: [8.1, 8.0, 7.4, 7.3]
+ php: [8.2, 8.1, 8.0, 7.4, 7.3]
  stability: [prefer-lowest, prefer-stable]
 
  name: P${{ matrix.php }} - ${{ matrix.stability }} - ${{ matrix.os }}