chore: add PHP 8.5; remove 8.1

Author: gabe565

.github/workflows/docker.yml

@@ -12,11 +12,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php_version: ["8.1", "8.2", "8.3", "8.4"]
+        php_version: ["8.2", "8.3", "8.4", "8.5"]
         composer_version: ["2"]
         platforms: ["linux/amd64,linux/arm64/v8"]
         include:
-          - php_version: "8.4"
+          - php_version: "8.5"
             latest: "true"
     env:
       TEST_TAG: ${{ github.repository }}:test