feat(release): `v2.6.0` release

[rustatian]

Reason for This PR

• Next release cycle.

Description of Changes

• Update deps, Changelog, Readme.

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 #138 (599b5e6) into master (aef0ea4) will increase coverage by 0.02%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #138      +/-   ##
==========================================
+ Coverage   65.03%   65.05%   +0.02%     
==========================================
  Files         138      138              
  Lines       11024    11024              
==========================================
+ Hits         7169     7172       +3     
+ Misses       3127     3124       -3     
  Partials      728      728              

Impacted Files	Coverage Δ
tcp/plugin.go	71.30% <0.00%> (-0.87%)	:arrow_down:
sqs/sqsjobs/item.go	67.10% <0.00%> (+1.31%)	:arrow_up:
beanstalk/beanstalkjobs/item.go	80.26% <0.00%> (+2.63%)	:arrow_up:

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