Merge pull request #5 from phpbench/81

Try enabling 8.1 in github actions

Author: dantleech

.github/workflows/ci.yaml

@@ -129,6 +129,7 @@ jobs:
                     - '7.2'
                     - '7.3'
                     - '7.4'
+                    - '8.0'
                 dependency:
                     - 'lowest'
                     - 'highest'
@@ -140,7 +141,7 @@ jobs:
                       with-examples: 'no'
                       allow-failures: false
                       coverage: xdebug
-                    - php-version: '8.0'
+                    - php-version: '8.1'
                       dependency: 'highest'
                       with-examples: 'no'
                       allow-failures: true