TASK: Allow installation on Neos 8.x

In addition Neos dev-mater is allowed aswell.

Author: mficzel

composer.json

@@ -4,12 +4,12 @@
     "type": "neos-package",
     "description": "Plugin for search integration via content node",
     "require": {
-        "neos/content-repository": "^4.0 || ^5.0 || ^7.0",
+        "neos/content-repository": "^4.0 || ^5.0 || ^7.0 || ^8.0 || dev-master",
         "neos/content-repository-search": "^4.0 || dev-master",
-        "neos/eel": "^5.0 || ^6.0 || ^7.0",
-        "neos/flow": "^5.0 || ^6.0 || ^7.0",
-        "neos/fusion": "^4.0 || ^5.0 || ^7.0",
-        "neos/neos": "^4.0 || ^5.0 || ^7.0"
+        "neos/eel": "^5.0 || ^6.0 || ^7.0 || ^8.0 || dev-master",
+        "neos/flow": "^5.0 || ^6.0 || ^7.0 || ^8.0 || dev-master",
+        "neos/fusion": "^4.0 || ^5.0 || ^7.0 || ^8.0 || dev-master",
+        "neos/neos": "^4.0 || ^5.0 || ^7.0 || ^8.0 || dev-master"
     },
     "conflict": {
         "flowpack/elasticsearch-contentrepositoryadaptor": "<7.0.0"