ci: fix e2e artifacts

[sozercan]

What this PR does / why we need it:

• upload-artifacts requires unique names now
• drop eol k8s 1.26 and add 1.30
• bump vuln x/net dep

Which issue(s) this PR fixes (optional, using fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when the PR gets merged): Fixes #

Special notes for your reviewer:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Flag	Coverage Δ
unittests	12.61% <ø> (-2.23%)	:arrow_down:

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see 10 files with indirect coverage changes