chore: update to newest python:3-alpine

Still no fixes for the grype security alerts though.

Author: rouilj

scripts/Docker/Dockerfile

@@ -23,7 +23,7 @@ ARG source=local
 
 # parameterize the sha256 sum to pin version of python:3-alpine
 # Must use the same version in both build stages.
-ARG SHA256=09f18c1f8ca777f63934b415af9a781a0e5aaba5e005ba0475cba71bb3e8e609
+ARG SHA256=c793b92fd9e0e2a0b611756788a033d569ca864b733461c8fb30cfd14847dbcf
 
 # Set to any non-empy value to enable shell debugging for troubleshooting
 ARG VERBOSE=