Update known wrapper checksums

sources/src/wrapper-validation/wrapper-checksums.json

@@ -1,4 +1,16 @@
 [
+  {
+    "version": "9.4.0-rc-2",
+    "checksum": "55243ef57851f12b070ad14f7f5bb8302daceeebc5bce5ece5fa6edb23e1145c"
+  },
+  {
+    "version": "9.5.0-milestone-5",
+    "checksum": "55243ef57851f12b070ad14f7f5bb8302daceeebc5bce5ece5fa6edb23e1145c"
+  },
+  {
+    "version": "9.5.0-milestone-4",
+    "checksum": "55243ef57851f12b070ad14f7f5bb8302daceeebc5bce5ece5fa6edb23e1145c"
+  },
   {
     "version": "9.5.0-milestone-3",
     "checksum": "55243ef57851f12b070ad14f7f5bb8302daceeebc5bce5ece5fa6edb23e1145c"