config(tests): update PHP configuration with operator overloading setting

- Added phpy.enable_operator_overloading=0 to ini-values in workflow configuration
- Applied the setting to both PHP version matrix configurations in tests.yml
- Maintained existing PHP settings while adding the new operator overloading parameter

.github/workflows/tests.yml

@@ -115,7 +115,7 @@ jobs:
           php-version: ${{ matrix.php }}
           coverage: none
           extensions: embed, curl, redis, mbstring, ffi
-          ini-values: ffi.enable=1, precision=17, memory_limit=4G, error_reporting=E_ERROR|E_WARNING, display_errors=1, log_errors=0
+          ini-values: ffi.enable=1, phpy.enable_operator_overloading=0, precision=17, memory_limit=4G, error_reporting=E_ERROR|E_WARNING, display_errors=1, log_errors=0
           tools: composer:v2
 
       - name: Patch php_hash.h C++ compatibility
@@ -181,7 +181,7 @@ jobs:
           php-version: ${{ matrix.php }}
           coverage: none
           extensions: embed, curl, redis, mbstring, ffi
-          ini-values: ffi.enable=1, precision=17, memory_limit=4G, error_reporting=E_ERROR|E_WARNING, display_errors=1, log_errors=0
+          ini-values: ffi.enable=1, phpy.enable_operator_overloading=0, precision=17, memory_limit=4G, error_reporting=E_ERROR|E_WARNING, display_errors=1, log_errors=0
           tools: composer:v2
 
       - name: Patch php_hash.h C++ compatibility