upgrade to heroku stack 24 with nginx

Procfile

@@ -1 +1 @@
-web: bin/boot
+web: bin/start-nginx-static

app.json

@@ -8,7 +8,7 @@
             "url": "urn:buildpack:heroku/nodejs"
         },
         {
-            "url": "https://github.com/sensu/heroku-buildpack-static.git"
+            "url": "urn:buildpack:heroku-community/nginx"
         }
       ]
 }

layouts/partials/footer_js.html

@@ -204,7 +204,7 @@
           {{ if isset .Page.Params "product" }}
             'version:{{ .Page.Params.version }}'
           {{ else }}
-            'version:6.12',
+            'version:6.13',
             'version:1.0',
             'version:2.16',
             'version:1.9',

layouts/partials/head.html

@@ -34,7 +34,7 @@
       <meta name="docsearch:version" content="{{ .Page.Params.version }}" />
     {{ end}}
 
-    {{ if not (eq .Params.version "6.12") }}
+    {{ if not (eq .Params.version "6.13") }}
     <meta name="robots" content="noindex">
     {{ end }}
 

static.json

@@ -39,11 +39,11 @@
             "url": "/sensu-go/latest/operations/control-access/create-read-only-user",
             "status": 301
         },
-        "~ ^/sensu-go/6.12/?((?<=\/).*)?$": {
+        "~ ^/sensu-go/6.13/?((?<=\/).*)?$": {
             "url": "/sensu-go/latest/$1",
             "status": 302
         },
-        "~ ^/sensu-go/6.[0-8]/?((?<=\/).*)?$": {
+        "~ ^/sensu-go/6.[0-9]/?((?<=\/).*)?$": {
             "url": "/sensu-go/latest/$1",
             "status": 301
         },