Improve check for Python 3.11

Author: nutjob4life

docker/Dockerfile

@@ -69,7 +69,7 @@ RUN \
 
 # Over on GitHub Actions, we need to fail fast and not hit the six hour run limit, so make sure we got it right
 
-RUN [ "`/usr/bin/python3 --version`" = "Python 3.11.10" ]
+RUN [ "/usr/bin/python3 --version 2>/dev/null | grep -q '^Python 3\.11'" ]
 RUN [ "`/usr/bin/python3 -c 'import numpy; print(numpy.__version__)'`" = "1.24.4" ]
 RUN [ "`/usr/bin/python3 -c 'import pandas; print(pandas.__version__)'`" = "1.5.3" ]
 RUN [ "`/usr/bin/python3 -c 'import PIL; print(PIL.__version__)'`" = "9.5.0" ]