fix: chart index

[andyzhangx]

What type of PR is this?
/kind bug

What this PR does / why we need it:

• fix: chart index

helm repo index charts --url=https://raw.githubusercontent.com/kubernetes-csi/csi-driver-smb/master/charts

• This PR also fixed the following CVE-2022-29526

test/smb-csi:latest (debian 11.4)
=================================
Total: 0 (UNKNOWN: 0, LOW: 0, MEDIUM: 0, HIGH: 0, CRITICAL: 0)
smbplugin (gobinary)
====================
Total: 1 (UNKNOWN: 0, LOW: 0, MEDIUM: 1, HIGH: 0, CRITICAL: 0)
┌──────────────────┬────────────────┬──────────┬────────────────────────────────────┬───────────────────────────────────┬───────────────────────────────────────────────┐
│     Library      │ Vulnerability  │ Severity │         Installed Version          │           Fixed Version           │                     Title                     │
├──────────────────┼────────────────┼──────────┼────────────────────────────────────┼───────────────────────────────────┼───────────────────────────────────────────────┤
│ golang.org/x/sys │ CVE-2022-29526 │ MEDIUM   │ v0.0.0-20220209214540-3681064d5158 │ 0.0.0-20220412211240-[33](https://github.com/kubernetes-csi/csi-driver-smb/runs/7423580941?check_suite_focus=true#step:6:34)da011f77ad │ golang: syscall: faccessat checks wrong group │
│                  │                │          │                                    │                                   │ https://avd.aquasec.com/nvd/cve-2022-29526    │

Which issue(s) this PR fixes:

Fixes #517

Requirements:

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

Special notes for your reviewer:

Release note:

none

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx

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• OWNERS [andyzhangx]

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[coveralls]

Pull Request Test Coverage Report for Build 2702770509

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 85.131%

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Totals
Change from base Build 2626983262:	0.0%
Covered Lines:	813
Relevant Lines:	955

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💛 - Coveralls