chore(deps): update dependency apollo-server to v2.25.4 [security]

Author: renovate[bot]

packages/datastore/package.json

@@ -39,7 +39,7 @@
     "@types/uuid": "8.3.0",
     "@types/websql": "0.0.27",
     "@types/zen-observable": "0.8.2",
-    "apollo-server": "2.21.0",
+    "apollo-server": "2.25.4",
     "debug": "4.3.1",
     "fake-indexeddb": "3.1.2",
     "isomorphic-unfetch": "3.1.0",