Update known wrapper checksums (#937)

Automatically generated pull request to update the known wrapper
checksums.

In case of conflicts, manually run the workflow from the [Actions
tab](https://github.com/gradle/actions/actions/workflows/update-checksums-file.yml),
the changes will then be force-pushed onto this pull request branch.
Do not manually update the pull request branch; those changes might get
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Co-authored-by: bot-githubaction <bot-githubaction@gradle.com>

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

@@ -1,4 +1,48 @@
 [
+  {
+    "version": "9.6.0-rc-1",
+    "checksum": "497c8c2a7e5031f6aa847f88104aa80a93532ec32ee17bdb8d1d2f67a194a9c7"
+  },
+  {
+    "version": "9.6.0-milestone-3",
+    "checksum": "497c8c2a7e5031f6aa847f88104aa80a93532ec32ee17bdb8d1d2f67a194a9c7"
+  },
+  {
+    "version": "9.5.1",
+    "checksum": "497c8c2a7e5031f6aa847f88104aa80a93532ec32ee17bdb8d1d2f67a194a9c7"
+  },
+  {
+    "version": "9.6.0-milestone-2",
+    "checksum": "497c8c2a7e5031f6aa847f88104aa80a93532ec32ee17bdb8d1d2f67a194a9c7"
+  },
+  {
+    "version": "8.14.5",
+    "checksum": "7d3a4ac4de1c32b59bc6a4eb8ecb8e612ccd0cf1ae1e99f66902da64df296172"
+  },
+  {
+    "version": "9.5.0",
+    "checksum": "497c8c2a7e5031f6aa847f88104aa80a93532ec32ee17bdb8d1d2f67a194a9c7"
+  },
+  {
+    "version": "9.5.0-rc-4",
+    "checksum": "497c8c2a7e5031f6aa847f88104aa80a93532ec32ee17bdb8d1d2f67a194a9c7"
+  },
+  {
+    "version": "9.6.0-milestone-1",
+    "checksum": "497c8c2a7e5031f6aa847f88104aa80a93532ec32ee17bdb8d1d2f67a194a9c7"
+  },
+  {
+    "version": "9.5.0-rc-3",
+    "checksum": "497c8c2a7e5031f6aa847f88104aa80a93532ec32ee17bdb8d1d2f67a194a9c7"
+  },
+  {
+    "version": "9.5.0-rc-2",
+    "checksum": "497c8c2a7e5031f6aa847f88104aa80a93532ec32ee17bdb8d1d2f67a194a9c7"
+  },
+  {
+    "version": "9.5.0-rc-1",
+    "checksum": "497c8c2a7e5031f6aa847f88104aa80a93532ec32ee17bdb8d1d2f67a194a9c7"
+  },
   {
     "version": "9.4.1",
     "checksum": "55243ef57851f12b070ad14f7f5bb8302daceeebc5bce5ece5fa6edb23e1145c"