Update the Pterodactyl Egg (discord-tickets#313)

Update the pterodactyl egg for discord tickets version 3.1.3 and also update the container for NodeJS 16

pterodactyl.egg.json

@@ -23,7 +23,7 @@
     "scripts": {
         "installation": {
             "script": "#!\/bin\/bash\r\n\r\napt update\r\napt install -y git curl jq file unzip make gcc g++ python python-dev libtool\r\n\r\nmkdir -p \/mnt\/server\r\ncd \/mnt\/server\r\n\r\nif [[ ! -z ${VERSION} ]]; then\r\n    echo -e \\\"Using version ${VERSION}\\\"\r\nelse\r\n    echo -e \\\"Please set the VERSION variable \\(e.g. v3.0.0\\)\\\"\r\n    exit 1\r\nfi\r\n\r\nif [ \\\"$(ls -A \/mnt\/server)\\\" ] && [[ -d .git ]]; then\r\n    echo -e \\\".git directory exists\\\"\r\n    if [ -f .git\\\/config ]; then\r\n        echo \\\"Upating...\\\"\r\n        git fetch --all --tags\r\n        git checkout tags\/${VERSION}\r\n    else\r\n        echo -e \\\"files found with no git config\\\"\r\n        echo -e \\\"closing out without touching things to not break anything\\\"\r\n        exit 1\r\n    fi\r\nelse\r\n    echo -e \\\"Cloning...\\\"\r\n    git clone https:\/\/github.com\/discord-tickets\/bot.git .\r\n\tgit checkout tags\/${VERSION}\r\nfi\r\n\r\necho \\\"Installing dependencies\\\"\r\n\r\nif [[ ! -z ${PUGINS} ]]; then\r\n    \/usr\/local\/bin\/npm install ${PUGINS}\r\nfi\r\n\r\nif [ -f \/mnt\/server\/package.json ]; then\r\n    \/usr\/local\/bin\/npm install --production\r\nfi\r\n\r\necho -e \\\"Installed\\\"\r\nexit 0",
-            "container": "node:14-buster-slim",
+            "container": "node:16-bullseye-slim",
             "entrypoint": "bash"
         }
     },
@@ -32,7 +32,7 @@
             "name": "Version",
             "description": "The version of the bot to use.",
             "env_variable": "VERSION",
-            "default_value": "v3.1.1",
+            "default_value": "v3.1.3",
             "user_viewable": true,
             "user_editable": true,
             "rules": "required|string|max:20"