Stack Freshness | Update PHP versions to 8.5.6, 8.4.21, 8.3.31, 8.2.31

## PHP Stack Version Updates Required

| LinuxFxVersion | Community | EOL Date | Type |
|----------------|-----------|----------|------|
| `PHP\|8.5` | 8.5.6 | 2029-12-31 | 🔄 Patch |
| `PHP\|8.4` | 8.4.21 | 2028-12-31 | 🔄 Patch |
| `PHP\|8.3` | 8.3.31 | 2027-12-31 | 🔄 Patch |
| `PHP\|8.2` | 8.2.31 | 2026-12-31 | 🔄 Patch |

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_Automated by Stack Freshness Checker | 2026-05-08T03:30:57.4672749Z_