Update dependency dotenv to v16.0.3

Author: renovate[bot]

package.json

@@ -15,7 +15,7 @@
         "@discordjs/opus": "0.8.0",
         "array-move": "4.0.0",
         "discord.js": "14.1.2",
-        "dotenv": "16.0.1",
+        "dotenv": "16.0.3",
         "express": "4.18.1",
         "ffmpeg-static": "5.0.2",
         "i18n": "0.15.0",