🌱 (deps): Update dependencies and go version in go.mod, go.sum, and golangci-lint.yml

[roger2hk]

The Dependabot for Go has been failling as the trillian-tessera repo was renamed to tessera. This PR should unblock the ongoing Dependabot updates.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 21.61%. Comparing base (3c58af4) to head (558c92b).
⚠️ Report is 308 commits behind head on main.

❗ There is a different number of reports uploaded between BASE (3c58af4) and HEAD (558c92b). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (3c58af4)	HEAD (558c92b)
	4	3

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #509       +/-   ##
===========================================
- Coverage   51.05%   21.61%   -29.44%     
===========================================
  Files          11       30       +19     
  Lines         903     2068     +1165     
===========================================
- Hits          461      447       -14     
- Misses        374     1544     +1170     
- Partials       68       77        +9     

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