ci: fix koord-manager role and ignore errors in e2e job

[saintube]

Ⅰ. Describe what this PR does

1. CI: Mark the E2E status check as optional, postponed to be required when it is complete and optimized.
2. config: fix the koord-manager role on NodeResourceTopology.

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.03% 🎉

Comparison is base (fb08adc) 65.66% compared to head (44f4be0) 65.69%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1630      +/-   ##
==========================================
+ Coverage   65.66%   65.69%   +0.03%     
==========================================
  Files         374      374              
  Lines       39106    39106              
==========================================
+ Hits        25680    25692      +12     
+ Misses      11564    11556       -8     
+ Partials     1862     1858       -4     

Flag	Coverage Δ
unittests	65.69% <100.00%> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
...er/noderesource/plugins/cpunormalization/plugin.go	87.04% <100.00%> (ø)

... and 3 files with indirect coverage changes

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[eahydra]

/lgtm
/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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This pull-request has been approved by: eahydra

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Needs approval from an approver in each of these files:

• .github/OWNERS [eahydra]
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• hack/OWNERS [eahydra]
• pkg/slo-controller/OWNERS

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