Bump koa-generic-session from 2.0.1 to 2.0.4

Bumps [koa-generic-session](https://github.com/koajs/generic-session) from 2.0.1 to 2.0.4.
- [Release notes](https://github.com/koajs/generic-session/releases)
- [Changelog](https://github.com/koajs/generic-session/blob/master/History.md)
- [Commits](https://github.com/koajs/generic-session/compare/2.0.1...v2.0.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -60,7 +60,7 @@
     "koa-csrf": "^3.0.8",
     "koa-error": "^3.2.0",
     "koa-favicon": "~2.0.1",
-    "koa-generic-session": "^2.0.1",
+    "koa-generic-session": "^2.0.4",
     "koa-helmet": "^5.2.0",
     "koa-logger": "~3.2.1",
     "koa-redis": "^4.0.1",

yarn.lock

@@ -4643,10 +4643,10 @@ koa-favicon@~2.0.1:
   dependencies:
     mz "^2.7.0"
 
-koa-generic-session@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/koa-generic-session/-/koa-generic-session-2.0.1.tgz#d6bdf4f288b2f553065d049a630c28c76d877ccf"
-  integrity sha512-yw+sG7PdfIX8HBFMjvpmnQWoGHpo07BgMAem3PMM8UEKO9jaZeJu5ywtatYduWGrc5XfGu7Tgw8zQEcdSCunxw==
+koa-generic-session@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/koa-generic-session/-/koa-generic-session-2.0.4.tgz#e212395d344a52c24ce2567f04dbd30c32dc0aa2"
+  integrity sha512-1y17Xxwr0J3L7Icxm94KwfFBJwrnGbXKgENz4mzPQZ4AGP9Wmli/SuqJJ2jg3EUd9h11wNp7D144/+3A4Om2uw==
   dependencies:
     copy-to "~2.0.1"
     crc "~3.5.0"