chore(deps): update dependency php to v8.0.1rc1

Author: renovate-bot

.github/workflows/build.yml

@@ -14,13 +14,13 @@ jobs:
         include:
           # Latest versions
           - xdebug: xdebug-3.0.1 # renovate:keep-up-to-date
-            php: '8.0' # renovate:keep-up-to-date
+            php: '8.0.1RC1' # renovate:keep-up-to-date
             os: ubuntu-18.04
           - xdebug: xdebug-3.0.1 # renovate:keep-up-to-date
-            php: '8.0' # renovate:keep-up-to-date
+            php: '8.0.1RC1' # renovate:keep-up-to-date
             os: windows-2019
           - xdebug: xdebug-3.0.1 # renovate:keep-up-to-date
-            php: '8.0' # renovate:keep-up-to-date
+            php: '8.0.1RC1' # renovate:keep-up-to-date
             os: macos-10.15
           # Old versions
           - xdebug: xdebug-2.9.8