fix(release): sync versions to v0.4.0 and wire up semantic-release npm plugin

- Add @semantic-release/npm (npmPublish: false) to bump root package.json
- Add prepareCmd to exec plugin to sync Cargo.toml on each release
- Add Cargo.toml to @semantic-release/git assets
- Manually advance package.json and Cargo.toml from 0.1.0 → 0.4.0

.releaserc.json

@@ -11,18 +11,25 @@
 			}
 		],
 		[
-			"@semantic-release/git",
+			"@semantic-release/npm",
 			{
-				"assets": ["CHANGELOG.md", "package.json", "packages/*/package.json"],
-				"message": "chore(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"
+				"npmPublish": false
 			}
 		],
 		[
 			"@semantic-release/exec",
 			{
+				"prepareCmd": "sed -i 's/^version = \"[^\"]*\"/version = \"${nextRelease.version}\"/' packages/desktop/src-tauri/Cargo.toml",
 				"publishCmd": "echo new_release_published=true >> $GITHUB_OUTPUT && echo new_release_version=${nextRelease.version} >> $GITHUB_OUTPUT"
 			}
 		],
+		[
+			"@semantic-release/git",
+			{
+				"assets": ["CHANGELOG.md", "package.json", "packages/desktop/src-tauri/Cargo.toml"],
+				"message": "chore(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"
+			}
+		],
 		[
 			"@semantic-release/github",
 			{