dep: Use smol-toml instead of toml (#164)

Fixed #162 #163

The former is listed on
https://github.com/toml-lang/toml/wiki#implementations and is toml 1.0
compliant.

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>

package.json

@@ -28,7 +28,7 @@
     "@actions/exec": "^1.1.1",
     "@actions/glob": "^0.4.0",
     "@actions/io": "^1.1.3",
-    "toml": "^3.0.0"
+    "smol-toml": "^1.1.1"
   },
   "devDependencies": {
     "@vercel/ncc": "^0.36.1",