Fixing version mismatch between package.json and releases.json

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mountebank",
-  "version": "2.9.0",
+  "version": "2.9.1",
   "author": "Brandon Byars <brandon.byars@gmail.com>",
   "description": "Over the wire test doubles",
   "homepage": "http://www.mbtest.org",

releases.json

@@ -47,5 +47,6 @@
   { "version":  "v2.8.0", "date":  "2022-10-16" },
   { "version":  "v2.8.1", "date":  "2022-10-16" },
   { "version":  "v2.8.2", "date":  "2023-01-22" },
-  { "version":  "v2.8.3", "date":  "2023-08-23" }
+  { "version":  "v2.9.0", "date":  "2023-08-23" },
+  { "version":  "v2.9.1", "date":  "2023-08-23" }
 ]

src/views/releases/v2.9.1.ejs

@@ -0,0 +1,10 @@
+<h1>v<%= releaseVersion %></h1>
+
+<p class='info-icon'>Be sure to keep up with the latest releases by subscribing to the
+    <a href='http://mbtest.org/feed'>ATOM feed</a>.</p>
+
+<p>v2.9.1 was released simply to fix a deployment version mismatch of v2.9.0; there are no other functional changes</p>
+
+<h2>Install</h2>
+
+<pre><code>npm install -g mountebank@<%= releaseVersion %></code></pre>