Bump ts-jest from 29.3.4 to 29.4.1 in /frontend (#107)

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frontend/obsidian-plugin/package.json

@@ -27,7 +27,7 @@
         "sass-loader": "^16.0.5",
         "sync-client": "file:../sync-client",
         "terser-webpack-plugin": "^5.3.14",
-        "ts-jest": "^29.3.4",
+        "ts-jest": "^29.4.1",
         "ts-loader": "^9.5.2",
         "tslib": "2.8.1",
         "typescript": "5.8.3",