Update version to 1.4.3 for the bugfix release.

Signed-off-by: Raghu Raja <[email protected]>

Tag v1.4.1 release

Tag v1.4.0 release

Bumping version to 1.4.2 as we fixed slurm in cfncluster-node

Signed-off-by: Mohan Gandhi <[email protected]>

v1.3.4 release (associated with CfnCluster v1.3.2)

Merge branch 'develop'