fix(login): http 2 memory leak's (#11830)

# Which Problems Are Solved
All http 2 based connect-es clients caused memory leaks in our testing
using the login v2 application as the host.

# How the Problems Are Solved
Switch to connect-rpc based http 1.1 transport for the login v2

# Additional Changes
Improved the otel interceptor implementation and tests.

# Additional Context
- connect-rpc is only enabled for v2 API's so we have to make sure to
not use any v1 apis in the login but this should be the case anyways.
- Discussion #10562

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Co-authored-by: Max Peintner <[email protected]>

apps/login/package.json

@@ -52,6 +52,8 @@
     "server-only": "^0.0.1",
     "tinycolor2": "^1.6.0",
     "uuid": "^13.0.0",
+    "@connectrpc/connect-node": "^2.1.1",
+    "@connectrpc/connect": "^2.1.1",
     "winston": "^3.17.0"
   },
   "devDependencies": {