chore(deps): bump koa from 2.15.3 to 2.15.4

Bumps [koa](https://github.com/koajs/koa) from 2.15.3 to 2.15.4.
- [Release notes](https://github.com/koajs/koa/releases)
- [Changelog](https://github.com/koajs/koa/blob/2.15.4/History.md)
- [Commits](koajs/koa@2.15.3...2.15.4)

---
updated-dependencies:
- dependency-name: koa
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

packages/kitten-analysts/package.json

@@ -38,7 +38,7 @@
     "@koa/cors": "5.0.0",
     "@oliversalzburg/js-utils": "0.2.2",
     "jsdom": "26.0.0",
-    "koa": "2.15.3",
+    "koa": "2.15.4",
     "koa-router": "13.0.1",
     "lz-string": "1.5.0",
     "prom-client": "15.1.3",

yarn.lock

@@ -711,7 +711,7 @@ __metadata:
     "@types/ws": "npm:8.5.14"
     esbuild: "npm:0.25.0"
     jsdom: "npm:26.0.0"
-    koa: "npm:2.15.3"
+    koa: "npm:2.15.4"
     koa-router: "npm:13.0.1"
     lz-string: "npm:1.5.0"
     prom-client: "npm:15.1.3"
@@ -3810,9 +3810,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"koa@npm:2.15.3":
-  version: 2.15.3
-  resolution: "koa@npm:2.15.3"
+"koa@npm:2.15.4":
+  version: 2.15.4
+  resolution: "koa@npm:2.15.4"
   dependencies:
     accepts: "npm:^1.3.5"
     cache-content-type: "npm:^1.0.0"
@@ -3837,7 +3837,7 @@ __metadata:
     statuses: "npm:^1.5.0"
     type-is: "npm:^1.6.16"
     vary: "npm:^1.1.2"
-  checksum: 10c0/1dca5027e06855dfc4144093fc678c445b5718c3a61b3b7840e3def999f3efcd0359665fb30d3f427890dfee12ebb1e7d01e210d2122a17240d2f3ceae12b2f2
+  checksum: 10c0/fd2171b4dba706d35244fe60403a61671717a167453349813757999dad280049ddd0dcdba23cda197a5a3538f4c034cf0fd1f9caeb849be1ca1eecaa78db2f99
   languageName: node
   linkType: hard