adjusted pecl suffixes for PHP 8.4

Author: schmunk42

.github/workflows/docker-image.yml

@@ -40,7 +40,7 @@ jobs:
          - php-base-image-version: "8.4-fpm"
            dockerfile-flavour: "debian"
            compose-file: "docker-compose.yml,docker-compose.fpm-nginx.yml"
-           pecl-imagick-suffix: "/imagick@master"
+           pecl-xdebug-suffix: "-beta"
            experimental: true
          - php-base-image-version: "8.1-apache"
            dockerfile-flavour: "debian"
@@ -58,7 +58,7 @@ jobs:
          - php-base-image-version: "8.4-apache"
            dockerfile-flavour: "debian"
            compose-file: "docker-compose.yml,docker-compose.apache.yml"
-           pecl-imagick-suffix: "/imagick@master"
+           pecl-xdebug-suffix: "-beta"
            experimental: true
       fail-fast: false
     env: