Add Bash completion for semver-bump.

Dockerfile

@@ -252,6 +252,7 @@ RUN apt-get update && \
     invoke --print-completion-script bash > /etc/bash_completion.d/invoke && \
     fab --print-completion-script bash > /etc/bash_completion.d/fabric && \
     helm completion bash > /etc/bash_completion.d/helm && \
+    semver-bump completion bash > /etc/bash_completion.d/semver-bump && \
     wget https://raw.githubusercontent.com/docker/compose/1.29.2/contrib/completion/bash/docker-compose -O /etc/bash_completion.d/docker-compose && \
     wget https://raw.githubusercontent.com/ansible-community/molecule/1.25.1/asset/bash_completion/molecule.bash-completion.sh -O /etc/bash_completion.d/molecule && \
     wget https://github.com/mrolli/packer-bash-completion/raw/master/packer -O /etc/bash_completion.d/packer && \