feat(pre-release): 2.3.0-beta.2 pre-release

[rustatian]

Reason for This PR

• 2.3.0-beta.2 pre-release

Description of Changes

• Update go.mod (add rr v.2.3.0-beta.2)
• Add WebSocket and kv plugins to the standard rr-binary bundle.

License Acceptance

By submitting this pull request, I confirm that my contribution is made under the terms of the MIT license.

PR Checklist

[Author TODO: Meet these criteria.] [Reviewer TODO: Verify that these criteria are met. Request changes if not]

• [x] All commits in this PR are signed (git commit -s).
• [x] The reason for this PR is clearly provided (issue no. or explanation).
• [x] The description of changes is clear and encompassing.
• [x] Any required documentation changes (code and docs) are included in this PR.
• [x] Any user-facing changes are mentioned in CHANGELOG.md.
• [x] All added/changed functionality is tested.

[codecov[bot]]

Codecov Report

Merging #68 (81771c5) into master (8692be3) will increase coverage by 0.46%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #68      +/-   ##
==========================================
+ Coverage   43.82%   44.28%   +0.46%     
==========================================
  Files          12       12              
  Lines         356      359       +3     
==========================================
+ Hits          156      159       +3     
  Misses        189      189              
  Partials       11       11              

Impacted Files	Coverage Δ
internal/container/plugins.go	100.00% <100.00%> (ø)

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