fix: Upgrade PyQt5 to 5.15.11 for Python 3.12 compatibility

PyQt5 5.15.6 segfaults on Python 3.12 during import.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: cailmdaley

Dockerfile

@@ -71,7 +71,7 @@ RUN pip install --no-cache-dir --upgrade pip && \
     numpy==1.26.4 \
     numpydoc==1.2  \
     pandas==2.2  \
-    PyQt5==5.15.6 \
+    PyQt5==5.15.11 \
     python-pysap==0.3.0 \
     pyqtgraph==0.12.4 \
     pytest==8.3.3 \