deps: bump @apollo/server from 4.12.2 to 5.4.0

Bumps [@apollo/server](https://github.com/apollographql/apollo-server/tree/HEAD/packages/server) from 4.12.2 to 5.4.0.
- [Release notes](https://github.com/apollographql/apollo-server/releases)
- [Changelog](https://github.com/apollographql/apollo-server/blob/main/packages/server/CHANGELOG.md)
- [Commits](https://github.com/apollographql/apollo-server/commits/@apollo/server@5.4.0/packages/server)

---
updated-dependencies:
- dependency-name: "@apollo/server"
  dependency-version: 5.4.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

packages/graphql-proxy-server/package.json

@@ -27,7 +27,7 @@
   },
   "dependencies": {
     "@apollo/datasource-rest": "6.4.1",
-    "@apollo/server": "^4.12.2",
+    "@apollo/server": "^5.4.0",
     "@apollo/utils.keyvaluecache": "4.0.0",
     "@as-integrations/express5": "1.1.1",
     "@sentry/browser": "9.38.0",

proxies/events-graphql-proxy/package.json

@@ -31,7 +31,7 @@
   },
   "dependencies": {
     "@apollo/datasource-rest": "6.4.1",
-    "@apollo/server": "^4.12.2",
+    "@apollo/server": "^5.4.0",
     "@apollo/subgraph": "2.11.2",
     "@events-helsinki/graphql-proxy-server": "workspace:^",
     "@sentry/node": "9.38.0",

proxies/venue-graphql-proxy/package.json

@@ -31,7 +31,7 @@
   },
   "dependencies": {
     "@apollo/datasource-rest": "6.4.1",
-    "@apollo/server": "^4.12.2",
+    "@apollo/server": "^5.4.0",
     "@apollo/subgraph": "2.11.2",
     "@events-helsinki/graphql-proxy-server": "workspace:^",
     "chalk": "5.4.1",