[TASK] Fix Version for ext:solr

composer.json

@@ -42,7 +42,7 @@
     "t3o/t3olayout": "dev-develop",
     "t3o/certifications": "dev-master",
     "georgringer/news": "6.1.1",
-    "apache-solr-for-typo3/solr": "6.5.0",
+    "apache-solr-for-typo3/solr": "7.5.0",
     "reelworx/rx-shariff": "10.2.0",
     "derhansen/sf_event_mgt": "dev-development",
     "t3o/typo3_roadmap": "dev-master",