v1.34.9 release

What's Changed

• [release-1.34] chore: bump Go to 1.26.6 and update .trivyignore by @k8s-infra-cherrypick-robot in #3341
• chore: upgrade azcopy to v10.32.7 to fix CVEs (cherry-pick #3351 to release-1.34) by @andyzhangx in #3353
• cherry-pick #3347 into release-1.34: validate inline volume request before performing cifs mount by @andyzhangx in #3364
• [release-1.34] fix: CVE-2026-56854 by @andyzhangx in #3369
• [release-1.34] chore: ignore CVE-2026-84304 in trivy scan by @k8s-infra-cherrypick-robot in #3386
• [release-1.34] fix: CVE-2026-84304 by @andyzhangx in #3391
• [release-1.34] chore: refactor metrics pkg by @k8s-infra-cherrypick-robot in #3396
• [release-1.34] fix: validate SMB authentication parameters by @andyzhangx in #3389
• [release-1.34] chore: upgrade azcopy to v10.32.8 to fix CVEs by @landreasyan in #3404
• [release-1.34] feat: add mount_operations_total metric to track per-share mount failures by @landreasyan in #3400
• [release-1.34] fix: CVE-2026-56855 by @andyzhangx in #3402
• doc: cut v1.34.9 release by @rnhan in #3397

New Contributors

• @landreasyan made their first contribution in #3404

Full Changelog: v1.34.8...v1.34.9