chore: switch master branch to use v1.4.0

[andyzhangx]

What type of PR is this?
/kind documentation

What this PR does / why we need it:
chore: switch master branch to use v1.4.0

Which issue(s) this PR fixes:

Fixes #

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Special notes for your reviewer:

git checkout -b switch-master-1.4.0
sed -i 's/1.3.0/1.4.0/g' Makefile
cd charts/latest/
sed -i 's/1.3.0/1.4.0/g' azurefile-csi-driver/Chart.yaml
helm package azurefile-csi-driver
git rm azurefile-csi-driver-v1.3.0.tgz
git add azurefile-csi-driver-v1.4.0.tgz
cd ../../
helm repo index charts --url=https://raw.githubusercontent.com/kubernetes-sigs/azurefile-csi-driver/master/charts
$git_commit

Release note:

none

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [andyzhangx]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[k8s-ci-robot]

@andyzhangx: The following test failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
pull-azurefile-csi-driver-e2e-vmss	acbeef9	link	/test pull-azurefile-csi-driver-e2e-vmss

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.