Update dependency oomphinc/composer-installers-extender to v2

composer.json

@@ -30,7 +30,7 @@
     "require": {
         "php": ">=7.1",
         "composer/installers": "1.11.0",
-	"oomphinc/composer-installers-extender": "1.1.2",
+	"oomphinc/composer-installers-extender": "2.0.0",
         "cweagans/composer-patches": "1.7.1",
         "koodimonni/composer-dropin-installer": "1.3",
         "johnpbloch/wordpress": "5.7.2",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5454b6d677bae4738d365f8a33aa97b9",
+    "content-hash": "be11c48c6baf71023b36b13489b8e056",
     "packages": [
         {
             "name": "bjornjohansen/wplang",
@@ -704,21 +704,27 @@
         },
         {
             "name": "oomphinc/composer-installers-extender",
-            "version": "v1.1.2",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/oomphinc/composer-installers-extender.git",
-                "reference": "ca1c4b16b0905c81d1e77e608f36a2eff1a56f56"
+                "reference": "8d3fe38a1723e0e91076920c8bb946b1696e28ca"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/oomphinc/composer-installers-extender/zipball/ca1c4b16b0905c81d1e77e608f36a2eff1a56f56",
-                "reference": "ca1c4b16b0905c81d1e77e608f36a2eff1a56f56",
+                "url": "https://api.github.com/repos/oomphinc/composer-installers-extender/zipball/8d3fe38a1723e0e91076920c8bb946b1696e28ca",
+                "reference": "8d3fe38a1723e0e91076920c8bb946b1696e28ca",
                 "shasum": ""
             },
             "require": {
-                "composer-plugin-api": "^1.0",
-                "composer/installers": "^1.0"
+                "composer-plugin-api": "^1.1 || ^2.0",
+                "composer/installers": "^1.0",
+                "php": ">=7.1"
+            },
+            "require-dev": {
+                "composer/composer": "^2.0",
+                "phpunit/phpunit": "^7.2",
+                "squizlabs/php_codesniffer": "^3.3"
             },
             "type": "composer-plugin",
             "extra": {
@@ -738,11 +744,16 @@
                     "name": "Stephen Beemsterboer",
                     "email": "stephen@oomphinc.com",
                     "homepage": "https://github.com/balbuf"
+                },
+                {
+                    "name": "Nathan Dentzau",
+                    "email": "nate@oomphinc.com",
+                    "homepage": "http://oomph.is/ndentzau"
                 }
             ],
             "description": "Extend the composer/installers plugin to accept any arbitrary package type.",
             "homepage": "http://www.oomphinc.com/",
-            "time": "2017-03-31T16:57:39+00:00"
+            "time": "2020-08-11T21:06:11+00:00"
         },
         {
             "name": "stuttter/ludicrousdb",