Update mdbook@latest to 0.4.30 (#123)

Co-authored-by: Taiki Endo <te316e89@gmail.com>

CHANGELOG.md

@@ -10,6 +10,8 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Update `mdbook@latest` to 0.4.30.
+
 ## [2.8.8] - 2023-05-27
 
 - Update `wasmtime@latest` to 9.0.2.

manifests/mdbook.json

@@ -17,10 +17,24 @@
     }
   },
   "latest": {
-    "version": "0.4.29"
+    "version": "0.4.30"
   },
   "0.4": {
-    "version": "0.4.29"
+    "version": "0.4.30"
+  },
+  "0.4.30": {
+    "x86_64_linux_musl": {
+      "checksum": "c911f8e5b501707a6b84a5b7162f3c6543f580e5261034d23d2843319da12bb0"
+    },
+    "x86_64_macos": {
+      "checksum": "02c80613f57c9d421adc4c60286c680c1e8f75a2d7d0ab4b7837819175eb967a"
+    },
+    "x86_64_windows": {
+      "checksum": "50c1adcabb37e291b9689b76898e91bf98428e5d5335dd3724f7c223f7a9ebb1"
+    },
+    "aarch64_linux_musl": {
+      "checksum": "475fc2ad49d909e8a13a8055bd9a69984e45eb70c1851f8dcf15dbf2b541815c"
+    }
   },
   "0.4.29": {
     "x86_64_linux_musl": {