Update bash

Changes:

- https://github.com/tianon/docker-bash/commit/49d5766: Update to commit 9e6c30de852a2f4ca8337d7bd5b065dd815affec

library/bash

@@ -3,9 +3,9 @@
 Maintainers: Tianon Gravi <[email protected]> (@tianon)
 GitRepo: https://github.com/tianon/docker-bash.git
 
-Tags: devel-20200306, devel
+Tags: devel-20200313, devel
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: f693dac1f86a1fe2459f3fa913022fa4166b2356
+GitCommit: 49d5766823c45fc852650b923ed63ad808190aec
 Directory: devel
 
 Tags: 5.0.16, 5.0, 5, latest