Use composer packages compatible with TYPO3 v10 and remove those who are not

composer.json

 {
   "name": "t3o/typo3.org",
   "description": "Website for TYPO3.org",
+  "minimum-stability": "dev",
   "authors": [
     {
       "name": "t3o team",
@@ -46,29 +47,18 @@
     }
   ],
   "require": {
-    "apache-solr-for-typo3/solr": "^10.0",
-    "clickstorm/cs_seo": "^4.2",
+    "apache-solr-for-typo3/solr": "dev-master",
     "cweagans/composer-patches": "^1.6",
-    "derhansen/sf_event_mgt": "^4.0",
-    "georgringer/news": "^7.0",
+    "georgringer/news": "dev-master",
     "gordalina/cachetool": "^4.0",
-    "nitsan/ns-youtube": "^1.1",
-    "reelworx/rx-shariff": "^12.2",
-    "t3g/hubspot-forms": "dev-develop",
-    "t3o/certifications": "^2.2",
-    "t3o/randombanners": "^1.0",
+    "reelworx/rx-shariff": "^13.0",
     "t3o/t3o_donation": "@dev",
-    "t3o/t3o_membership": "^2.1",
-    "t3o/t3olayout": "^4.0",
+    "t3o/t3olayout": "dev-develop-v10",
     "t3o/t3org_layout": "@dev",
-    "t3o/typo3_roadmap": "^2.2",
-    "typo3/cms-linkvalidator": "^9.5",
-    "typo3/cms-redirects": "^9.5",
-    "typo3/cms-seo": "^9.5",
-    "typo3/cms-sys-note": "^9.5"
-  },
-  "require-dev": {
-    "ichhabrecht/filefill": "^2.0"
+    "typo3/cms-linkvalidator": "^10.3",
+    "typo3/cms-redirects": "^10.3",
+    "typo3/cms-seo": "^10.3",
+    "typo3/cms-sys-note": "^10.3"
   },
   "config": {
     "sort-packages": true,