Add extension parallel support (#444)

* Add extension parallel support

* add parallel windows support

* add parallel test

* add zts limit for parallel

* sort config

* add parallel test

* add dev-php test

* use macos-13 instead of macos-latest

* revert dev-php tests

config/source.json

@@ -515,6 +515,16 @@
             "path": "LICENSE.txt"
         }
     },
+    "parallel": {
+        "type": "url",
+        "url": "https://pecl.php.net/get/parallel",
+        "path": "php-src/ext/parallel",
+        "filename": "parallel.tgz",
+        "license": {
+            "type": "file",
+            "path": "LICENSE"
+        }
+    },
     "pdo_sqlsrv": {
         "type": "url",
         "url": "https://pecl.php.net/get/pdo_sqlsrv",
@@ -551,6 +561,15 @@
             "path": "LICENSE"
         }
     },
+    "pthreads4w": {
+        "type": "git",
+        "rev": "master",
+        "url": "https://git.code.sf.net/p/pthreads4w/code",
+        "license": {
+            "type": "file",
+            "path": "LICENSE"
+        }
+    },
     "qdbm": {
         "type": "git",
         "url": "https://github.com/static-php/qdbm.git",