Dockerfile: Update python

Fixes: !638

Dockerfile

@@ -33,7 +33,7 @@ RUN \
     npm=~8.1.3-r0 \
     openssh-client-default=~8.8_p1-r1 \
     py3-pip=~20.3.4-r1 \
-    python3-dev=~3.9.7-r3 \
+    python3-dev=~3.9.7-r4 \
     rsync=~3.2.3-r5 \
     yq=~4.14.1-r0 && \
   rm -rf /var/cache/* && \