[nongnu] elpa/bash-completion updated (2d40c61f56 -> a021468eec)

[ELPA Syncer]

elpasync pushed a change to branch elpa/bash-completion.

      from  2d40c61f56 Fix test.yml for CI.
       new  084fea092e Officially require Emacs 25.3.
       new  e077918429 Remove support for Bash 3.
       new  47765786ba Check the version of bash.
       new  a021468eec Bump the version to 3.1.1.


Summary of changes:
 README.md                                |   4 +-
 bash-completion.el                       | 159 ++++++++++++++-----------------
 test/bash-completion-integration-test.el |  99 +++++++++----------
 test/bash-completion-test.el             |  54 +++++------
 4 files changed, 141 insertions(+), 175 deletions(-)