fix(ci): add requests to test dependencies

transport_bridge.py imports requests but it's not declared in
setup.py (pre-installed in the firmware Docker container).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: BitHighlander

.github/workflows/ci.yml

@@ -73,7 +73,7 @@ jobs:
           pip install --upgrade pip
           pip install "protobuf>=3.20,<4"
           pip install -e .
-          pip install pytest semver rlp
+          pip install pytest semver rlp requests
 
       - name: Wait for emulator
         run: |