Update versions.json and remove 4.19

Signed-off-by: Lorenz Bauer <[email protected]>

Author: lmb

versions.json

@@ -1,38 +1,34 @@
 [
   {
-    "version": "6.12-rc2",
+    "version": "6.14-rc4",
     "static_tag": "mainline"
   },
   {
-    "version": "6.11.1",
+    "version": "6.13.4",
     "static_tag": "stable"
   },
   {
-    "version": "6.10.13",
-    "static_tag": ""
-  },
-  {
-    "version": "6.6.41",
+    "version": "6.12.16",
     "static_tag": "longterm"
   },
   {
-    "version": "6.1.112",
+    "version": "6.6.79",
     "static_tag": ""
   },
   {
-    "version": "5.15.167",
+    "version": "6.1.129",
     "static_tag": ""
   },
   {
-    "version": "5.10.226",
+    "version": "5.15.178",
     "static_tag": ""
   },
   {
-    "version": "5.4.284",
+    "version": "5.10.234",
     "static_tag": ""
   },
   {
-    "version": "4.19.322",
+    "version": "5.4.290",
     "static_tag": ""
   }
 ]