feat: release 2.9.0

[liuxiran]

Please answer these questions before submitting a pull request, or your PR will get closed.

Why submit this pull request?

release version 2.9.0, after this version released, APISIX Dashboard can work together with APISIX 2.10.0 There may be a lack of functionality

Checklist:

• Did you explain what problem does this PR solve? Or what new features have been added?
• Have you added corresponding test cases?
• Have you modified the corresponding document?
• Is this PR backward compatible? If it is not backward compatible, please discuss on the mailing list first

[codecov-commenter]

Codecov Report

Merging #2154 (0e85347) into master (321a195) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2154   +/-   ##
=======================================
  Coverage   69.59%   69.59%           
=======================================
  Files         187      187           
  Lines        7137     7137           
  Branches      823      823           
=======================================
  Hits         4967     4967           
  Misses       1883     1883           
  Partials      287      287           

Flag	Coverage Δ
backend-e2e-test	47.20% <ø> (+0.07%)	⬆️
backend-e2e-test-ginkgo	48.97% <ø> (-0.14%)	⬇️
backend-unit-test	52.74% <ø> (ø)
frontend-e2e-test	68.21% <ø> (ø)

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[liuxiran]

https://github.com/apache/apisix-dashboard/pull/2154/checks?check_run_id=3833771098

@bzp2010 please help to check it when you have time, thanks a lot

[imjoey]

@liuxiran one more question, is this dashboard 2.9.0 also an LTS version, along with APISIX 2.10.0 LTS? Thanks.

[liuxiran]

@liuxiran one more question, is this dashboard 2.9.0 also an LTS version, along with APISIX 2.10.0 LTS? Thanks.

I agree with making dashboard 2.9.0 as an LTS version together with APISIX 2.10.0

let's @bzp2010 for the real plan , thanks