Revert "Fix: Continue entire job when running on PHP 8.3"

This reverts commit 0c8cbe4.

Author: sebastianbergmann

.github/workflows/ci.yml

@@ -68,8 +68,6 @@ jobs:
       PHP_EXTENSIONS: none, curl, dom, json, libxml, mbstring, openssl, phar, soap, tokenizer, xml, xmlwriter
       PHP_INI_VALUES: assert.exception=1, zend.assertions=1, error_reporting=-1, log_errors_max_len=0, display_errors=On
 
-    continue-on-error: ${{ matrix.experimental }}
-
     strategy:
       fail-fast: false
       matrix:
@@ -84,18 +82,7 @@ jobs:
           - "8.0"
           - "8.1"
           - "8.2"
-
-        experimental:
-          - false
-
-        include:
-          - os: ubuntu-latest
-            php-version: "8.3"
-            experimental: true
-
-          - os: windows-latest
-            php-version: "8.3"
-            experimental: true
+          - "8.3"
 
     steps:
       - name: Configure Git to avoid issues with line endings
@@ -116,7 +103,13 @@ jobs:
       - name: Install dependencies with Composer
         run: ./tools/composer update --no-ansi --no-interaction --no-progress
 
-      - name: Run tests with PHPUnit
+      - name: Run tests with PHPUnit on stable PHP version
+        if: matrix.php-version != '8.3'
+        run: ./phpunit --testsuite unit
+
+      - name: Run tests with PHPUnit on unstable PHP version
+        if: matrix.php-version == '8.3'
+        continue-on-error: true
         run: ./phpunit --testsuite unit
 
   end-to-end-tests:
@@ -131,8 +124,6 @@ jobs:
       PHP_EXTENSIONS: none, curl, dom, json, libxml, mbstring, openssl, phar, soap, tokenizer, xml, xmlwriter
       PHP_INI_VALUES: assert.exception=1, zend.assertions=1, error_reporting=-1, log_errors_max_len=0, display_errors=On
 
-    continue-on-error: ${{ matrix.experimental }}
-
     strategy:
       fail-fast: false
       matrix:
@@ -147,18 +138,7 @@ jobs:
           - "8.0"
           - "8.1"
           - "8.2"
-
-        experimental:
-          - false
-
-        include:
-          - os: ubuntu-latest
-            php-version: "8.3"
-            experimental: true
-
-          - os: windows-latest
-            php-version: "8.3"
-            experimental: true
+          - "8.3"
 
     steps:
       - name: Configure Git to avoid issues with line endings
@@ -179,7 +159,13 @@ jobs:
       - name: Install dependencies with Composer
         run: ./tools/composer update --no-ansi --no-interaction --no-progress
 
-      - name: Run tests with PHPUnit
+      - name: Run tests with PHPUnit on stable PHP version
+        if: matrix.php-version != '8.3'
+        run: ./phpunit --testsuite end-to-end
+
+      - name: Run tests with PHPUnit on unstable PHP version
+        if: matrix.php-version == '8.3'
+        continue-on-error: true
         run: ./phpunit --testsuite end-to-end
 
   code-coverage: