Usage: $ ./tool/release/release.sh [patch|minor|major]
Example 1: releasing patch will update from 2.1.1 to 2.1.2
run $ ./tool/release/release.sh patch
Example 2: releasing minor will update from 2.1.1 to 2.2.0
run $ ./tool/release/release.sh minor
Example 3: releasing major will update from 2.1.1 to 3.0.0
run $ ./tool/release/release.sh major
Internally, the script retrieve latest git tag by git describe,
and increment the version accroding to semantic versioning,
then push latest tag to remote master.
CI will automatically detect the update in master and build and release conda packages.