Bump CPython 3.9.19 → 3.9.20

Author: mayeut

docker/Dockerfile

@@ -120,7 +120,7 @@ RUN manylinux-entrypoint /build_scripts/build-cpython.sh 3.8.20
 
 FROM build_cpython AS build_cpython39
 COPY build_scripts/ambv-pubkey.txt /build_scripts/cpython-pubkeys.txt
-RUN manylinux-entrypoint /build_scripts/build-cpython.sh 3.9.19
+RUN manylinux-entrypoint /build_scripts/build-cpython.sh 3.9.20
 
 FROM build_cpython AS build_cpython310
 COPY build_scripts/cpython-pubkey-310-311.txt /build_scripts/cpython-pubkeys.txt