CI: add PHP 8.5 to test matrix (allowed to fail)

Author: lacatoire

.github/workflows/ci.yml

@@ -4,7 +4,8 @@ jobs:
   ubuntu:
     strategy:
       matrix:
-          version: ['8.1', '8.2', '8.3', '8.4']
+          version: ['8.1', '8.2', '8.3', '8.4', '8.5']
+    continue-on-error: ${{ matrix.version == '8.5' }}
     runs-on: ubuntu-latest
     steps:
       - name: Checkout PhD

.github/workflows/test.yml

@@ -5,7 +5,8 @@ jobs:
     name: test
     strategy:
       matrix:
-        version: ['8.1', '8.2', '8.3', '8.4']
+        version: ['8.1', '8.2', '8.3', '8.4', '8.5']
+    continue-on-error: ${{ matrix.version == '8.5' }}
     runs-on: ubuntu-latest
     steps:
       - name: Checkout PhD