v1.26.8 release

What's Changed

• [release-1.26] test: ignore latest tgz file in helm chart index verification by @k8s-infra-cherrypick-robot in #2145
• [release-1.26] fix: CVE-2025-5187 by @andyzhangx in #2152
• [release-1.26] fix: respect secretName during volume creation by @k8s-infra-cherrypick-robot in #2154
• [release-1.26] fix: China cloud endpoints by @k8s-infra-cherrypick-robot in #2165
• [release-1.26] fix(proxy_installer): add necessary mounts for cos, gardenlinux bin paths by @andyzhangx in #2174
• [release-1.26] test: refine verify-helm-chart-index.sh by @k8s-infra-cherrypick-robot in #2178
• [release-1.26] chore(deps): bump build-image/debian-base from bookworm-v1.0.5 to bookworm-v1.0.6 in /pkg/blobplugin by @k8s-infra-cherrypick-robot in #2182
• [release-1.26] chore: upgrade azcopy to v10.30.1 by @k8s-infra-cherrypick-robot in #2186
• [release-1.26] fix: blobfuse-proxy install on OpenShift 4.19 by @k8s-infra-cherrypick-robot in #2195
• [release-1.26] feat: install blobfuse 2.5.1 as default version by @andyzhangx in #2207
• [release-1.26] fix: install blobfuse2 binary failure on rhcos by @k8s-infra-cherrypick-robot in #2212
• [release 1.26] 🌈 Feature: Add support for Flatcar Container Linux by @t-lo in #2214
• [release-1.26] test: fix CVE-2025-47912 error by @k8s-infra-cherrypick-robot in #2224
• [release-1.26] 🐞 fix: shasum in blobfuse-proxy installer for Flatcar, fix PATH in blobfuse-proxy.service by @k8s-infra-cherrypick-robot in #2222
• [release-1.26] chore: upgrade azcopy to v10.31.0 by @k8s-infra-cherrypick-robot in #2228
• [release-1.26] fix: skip chmod setting in readonly mode by @k8s-infra-cherrypick-robot in #2233
• [release-1.26] chore: upgrade sidecar image versions by @andyzhangx in #2236
• [release-1.26] Revert "fix: respect secretName during volume creation" by @k8s-infra-cherrypick-robot in #2239
• [release-1.26] fix: CVE-2025-52881 by @andyzhangx in #2243
• [release-1.26] fix: snapshot restore and volume clone failure in some new sovereign … by @k8s-infra-cherrypick-robot in #2252
• [release-1.26] chore: upgrade AzureAD lib by @k8s-infra-cherrypick-robot in #2255
• [release-1.26] fix: CVE-2025-58181 by @andyzhangx in #2259
• [release-1.26] test: fix trivy CVE-2025-61727 by @k8s-infra-cherrypick-robot in #2266
• [release-1.26] fix: CVE-2025-13281 by @andyzhangx in #2279
• [release-1.26] chore: upgrade csi-provisioner to v6.1.0 by @andyzhangx in #2284
• doc: cut v1.26.8 release by @andyzhangx in #2290

Full Changelog: v1.26.7...v1.26.8