csi: cover ENOTCONN recovery with SIGSEGV and write checks

QBRD-5811: derive the e2e staging path from the bound PV

QBRD-5811: trim review-response comments

QBRD-5811: address review — ENOTCONN-only classification, stop old client, fix e2e check

QBRD-5811: recover CSI mounts when the cloudfs client dies

Merge branch 'restore-ci' into 'main'

Restored CI

Merge remote-tracking branch 'origin/master' into QBRD-5864_gitverse_ci

QBRD-5864 restore the workspace ownership before the backend tests

Запрос на слияние 'QBRD-5886_Fix_frontend_vulnerabilities' (#22) из QBRD-5886_Fix_frontend_vulnerabilities в master

QBRD-5864 drop the inherited apt list from the nodejsscan job

QBRD-5864 feed SonarQube its coverage reports and fix the AI readiness wait

QBRD-5864 give SonarQube the compiled backend and shorten the artifact retention

QBRD-5864 bump the ci/cloudfs submodule and drop the videos from the frontend artifacts

QBRD-5864 port the SonarQube analysis job

QBRD-5864 port the frontend, mobile and pycloudos test jobs

QBRD-5864 port the fluentd and AI test jobs

QBRD-5864 correct the fix_owner and set_version notes

QBRD-5864 let the runner own the registry pool

QBRD-5864 port the backend test jobs

Merge remote-tracking branch 'origin/master' into QBRD-5864_gitverse_ci

Запрос на слияние 'QBRD-5862_public_rest_backend_deployment_fix' (#13) из QBRD-5862_public_rest_backend_deployment_fix в master

QBRD-5864 install git for the npm_audit checkout

QBRD-5864 send branch builds to the runner perimeter registry

QBRD-5864 drop a settled alternative from the nodejsscan TODO

QBRD-5864 take the registry from the group variable and node from the mirror

QBRD-5864 install node for the nodejsscan job