Update bash
Update bash

Changes:

- https://github.com/tianon/docker-bash/commit/4c47bc9: Update devel to 20210426, commit 3fd77612fca0fa1956e54aac2e61bdcfecfe3b52

neo-technology/docker-official-images,docker-library/official-images,docker-library/official-images,infosiftr/stackbrew,31z4/official-images,31z4/official-images,infosiftr/stackbrew,neo-technology/docker-official-images,docker-library/official-images,docker-solr/official-images,thresheek/official-images,docker-library/official-images,docker-solr/official-images,thresheek/official-images,docker-solr/official-images,thresheek/official-images,infosiftr/stackbrew,docker-library/official-images,docker-library/official-images,thresheek/official-images,neo-technology/docker-official-images,31z4/official-images,neo-technology/docker-official-images,docker-solr/official-images,infosiftr/stackbrew,neo-technology/docker-official-images,docker-solr/official-images,neo-technology/docker-official-images,thresheek/official-images,docker-library/official-images,docker-library/official-images,neo-technology/docker-official-images,docker-library/official-images,31z4/official-images,31z4/official-images,neo-technology/docker-official-images,thresheek/official-images,31z4/official-images,infosiftr/stackbrew,neo-technology/docker-official-images,31z4/official-images,docker-library/official-images,docker-library/official-images,infosiftr/stackbrew,docker-solr/official-images,infosiftr/stackbrew,infosiftr/stackbrew,infosiftr/stackbrew,thresheek/official-images,infosiftr/stackbrew,infosiftr/stackbrew,neo-technology/docker-official-images,neo-technology/docker-official-images,neo-technology/docker-official-images,31z4/official-images,docker-library/official-images,docker-solr/official-images,docker-library/official-images,infosiftr/stackbrew,thresheek/official-images,docker-solr/official-images,infosiftr/stackbrew,31z4/official-images,31z4/official-images,docker-library/official-images,thresheek/official-images,31z4/official-images,docker-solr/official-images,docker-solr/official-images,thresheek/official-images,neo-technology/docker-official-images,docker-solr/official-images,infosiftr/stackbrew,31z4/official-images,thresheek/official-images,docker-solr/official-images,thresheek/official-images,docker-solr/official-images,docker-solr/official-images,thresheek/official-images,neo-technology/docker-official-images,31z4/official-images,thresheek/official-images,31z4/official-images