android: update p4a ref

to have 58d21ad89b
> reproducible apks: strip file path prefix from .pyc files

related: https://github.com/spesmilo/electrum/issues/9215

contrib/android/Dockerfile

@@ -198,7 +198,7 @@ RUN cd /opt \
     && git remote add accumulator https://github.com/accumulator/python-for-android \
     && git fetch --all \
     # commit: from branch sombernight/qt6-wip (note: careful with force-pushing! see #8162) \
-    && git checkout "5df11be775eadcc19774e5bb118ee407330b8d83^{commit}" \
+    && git checkout "58d21ad89b6182c0d70289d647eb85eaa412412c^{commit}" \
     && /opt/venv/bin/python3 -m pip install --no-build-isolation --no-dependencies -e .
 
 # build env vars