Update merge plugin.

composer.json

@@ -74,7 +74,7 @@
         "vufind-org/vufindharvest": "4.0.1",
         "vufind-org/vufindhttp": "3.1.0",
         "webfontkit/open-sans": "^1.0",
-        "wikimedia/composer-merge-plugin": "2.0.0",
+        "wikimedia/composer-merge-plugin": "2.0.1",
         "wikimedia/less.php": "2.0.0",
         "yajra/laravel-pdo-via-oci8": "2.2.0"
     },

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": "5dde5dd3bf9007b78fa283f6112fd170",
+    "content-hash": "01c3dd9c49ce7044b0600e9820289301",
     "packages": [
         {
             "name": "ahand/mobileesp",
@@ -7281,7 +7281,7 @@
         },
         {
             "name": "wikimedia/composer-merge-plugin",
-            "version": "v2.0.0",
+            "version": "v2.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/wikimedia/composer-merge-plugin.git",