Fix missing update release body (#365)

* Update json5 deps

* Remove quote around env var `GITHUB_TOKEN`

* Factorize search by draft & tag

* Correct `_release` undefined when creating a new release

* Cleanup package-lock

package.json

@@ -6,6 +6,7 @@
   "main": "lib/main.js",
   "scripts": {
     "build": "ncc build src/main.ts --minify",
+    "build-debug": "ncc build src/main.ts --v8-cache --source-map",
     "test": "jest",
     "fmt": "prettier --write \"src/**/*.ts\" \"__tests__/**/*.ts\"",
     "fmtcheck": "prettier --check \"src/**/*.ts\" \"__tests__/**/*.ts\"",