Drop 7.3, add 8.0

.github/workflows/tests.yml

@@ -8,7 +8,6 @@ on:
 jobs:
   integration_tests:
     runs-on: ubuntu-latest
-    continue-on-error: ${{ matrix.experimental }}
     if: "!contains(github.event.head_commit.message, 'skip ci') && !contains(github.event.head_commit.message, 'ci skip')"
     services:
       mysql:
@@ -22,11 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [7.3, 7.4]
-        experimental: [false]
-        include:
-          - php: 8.0
-            experimental: true
+        php: [7.4, 8.0]
     name: PHP ${{ matrix.php }}
     steps:
       - name: checkout