Chore: Fix: Attempt to fix a Scrtinizer config error

```
Config Error: Invalid type for path "{root}.build.nodes.test-with-php80.services.php". Expected "array", but got "string"
```

```
$ git clone --depth=200 --branch='dev' --reference=local-repository-dir --dissociate https://github.com/michaeluno/admin-page-framework.git /tmp/package2HdVRZ
Cloning into '/tmp/package2HdVRZ'...
remote: Total 0 (delta 0), reused 0 (delta 0), pack-reused 0
Enumerating objects: 106424, done.
Counting objects: 100% (106424/106424), done.
Delta compression using up to 32 threads
Compressing objects: 100% (22910/22910), done.
Writing objects: 100% (106424/106424), done.
Total 106424 (delta 84443), reused 105224 (delta 83340)
$ git checkout -qf 9f0ff15
Parsing custom inspection configuration
Parsing checkout configuration
Configuration was invalid: Invalid type for path "{root}.build.nodes.test-with-php80.services.php". Expected "array", but got "string"
Aborting due to config error.
```

Author: michaeluno

.scrutinizer.yml

@@ -45,11 +45,11 @@ build:
       # @see https://prinsfrank.nl/2022/02/04/Configuring-PHP8.1-on-scrutinizer
       # @see https://scrutinizer-ci.com/docs/guides/upgrading-trusty-image
       image: default-bionic
-      services:
+      environment:
         php: 8.0
     test-with-php81:
       image: default-bionic
-      services:
+      environment:
         php: 8.1.2
     test-with-php74-mu:
       environment: