chore(deps): update dependency koa to v2.15.4 [security] (#6001)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

packages/graphql/package.json

@@ -60,7 +60,7 @@
         "jest": "29.7.0",
         "jest-extended": "4.0.2",
         "jwks-rsa": "3.1.0",
-        "koa": "2.15.3",
+        "koa": "2.15.4",
         "koa-jwt": "4.0.4",
         "koa-router": "13.0.1",
         "mock-jwks": "1.0.10",

yarn.lock

@@ -2145,7 +2145,7 @@ __metadata:
     jest-extended: "npm:4.0.2"
     jose: "npm:^5.0.0"
     jwks-rsa: "npm:3.1.0"
-    koa: "npm:2.15.3"
+    koa: "npm:2.15.4"
     koa-jwt: "npm:4.0.4"
     koa-router: "npm:13.0.1"
     mock-jwks: "npm:1.0.10"
@@ -10967,9 +10967,9 @@ __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"
@@ -10994,7 +10994,7 @@ __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