Update known wrapper checksums

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

@@ -1,4 +1,32 @@
 [
+  {
+    "version": "9.4.0-milestone-3",
+    "checksum": "b3a875ddc1f044746e1b1a55f645584505f4a10438c1afea9f15e92a7c42ec13"
+  },
+  {
+    "version": "9.3.0-rc-1",
+    "checksum": "b3a875ddc1f044746e1b1a55f645584505f4a10438c1afea9f15e92a7c42ec13"
+  },
+  {
+    "version": "9.3.0-milestone-2",
+    "checksum": "b3a875ddc1f044746e1b1a55f645584505f4a10438c1afea9f15e92a7c42ec13"
+  },
+  {
+    "version": "9.4.0-milestone-2",
+    "checksum": "b3a875ddc1f044746e1b1a55f645584505f4a10438c1afea9f15e92a7c42ec13"
+  },
+  {
+    "version": "9.4.0-milestone-1",
+    "checksum": "b3a875ddc1f044746e1b1a55f645584505f4a10438c1afea9f15e92a7c42ec13"
+  },
+  {
+    "version": "9.2.1",
+    "checksum": "423cb469ccc0ecc31f0e4e1c309976198ccb734cdcbb7029d4bda0f18f57e8d9"
+  },
+  {
+    "version": "9.3.0-milestone-1",
+    "checksum": "d652a0436e78e0cd4d00f52057fcf2179163762a71a02370ec7623ab8f84c334"
+  },
   {
     "version": "9.2.0",
     "checksum": "423cb469ccc0ecc31f0e4e1c309976198ccb734cdcbb7029d4bda0f18f57e8d9"