docker: Fix plyvel:

Traceback (most recent call last):
  File "/opt/venv/bin/pyrobud", line 5, in <module>
    from pyrobud.main import main
  File "/opt/venv/lib/python3.12/site-packages/pyrobud/main.py", line 4, in <module>
    from . import DEFAULT_CONFIG_PATH, __description__, launch, logs
  File "/opt/venv/lib/python3.12/site-packages/pyrobud/launch.py", line 9, in <module>
    from . import DEFAULT_CONFIG_PATH, util
  File "/opt/venv/lib/python3.12/site-packages/pyrobud/util/__init__.py", line 1, in <module>
    from . import (
  File "/opt/venv/lib/python3.12/site-packages/pyrobud/util/config.py", line 11, in <module>
    from .config_db_migrator import upgrade_v3
  File "/opt/venv/lib/python3.12/site-packages/pyrobud/util/config_db_migrator.py", line 4, in <module>
    import plyvel
  File "/opt/venv/lib/python3.12/site-packages/plyvel/__init__.py", line 6, in <module>
    from ._plyvel import (  # noqa
ImportError: Error relocating /opt/venv/lib/python3.12/site-packages/plyvel/_plyvel.cpython-312-x86_64-linux-musl.so: _ZTIN7leveldb10ComparatorE: symbol not found

* Ref: wbolster/plyvel#114 (comment)

Change-Id: I1882a7bedbabed34a705dae385b884e754f01b19

Dockerfile

@@ -34,6 +34,7 @@ WORKDIR /src
 # Install bot package and dependencies
 COPY . .
 RUN pip install wheel
+RUN CFLAGS='-fno-rtti' pip install plyvel
 RUN pip install .[fast]
 RUN pip install uvloop