TASK: Restrict dependency to es-cr-adaapter v7

Author: daniellienert

composer.json

@@ -6,7 +6,7 @@
   "require": {
     "neos/flow": "^5.1 || ^6.0",
     "flowpack/jobqueue-common": "^3.0 || dev-master",
-    "flowpack/elasticsearch-contentrepositoryadaptor": "^5.0 || ^6.0 || dev-master"
+    "flowpack/elasticsearch-contentrepositoryadaptor": "^7.0 || dev-master"
   },
   "autoload": {
     "psr-4": {