v1.26.6 release

Bug Fixes 🐞

• fix: CVE-2023-2431 (#1889)

What's Changed

• [release-1.26] fix: CVE-2023-2431 by @andyzhangx in #1889
• [release-1.26] chore: update max data disk number table by @k8s-infra-cherrypick-robot in #1906
• [release-1.26] chore: update max data disk count table by @k8s-infra-cherrypick-robot in #1919
• doc: cut v1.26.6 release by @andyzhangx in #1921

Full Changelog: v1.26.5...v1.26.6