build(deps): bump github.com/skeema/knownhosts from 1.2.2 to 1.3.0

[dependabot[bot]]

Bumps github.com/skeema/knownhosts from 1.2.2 to 1.3.0.

Commits

• 9485bde docs: add PR template and CONTRIBUTING.md guide; minor README tweaks
• 8b8ca37 host matching: handle wildcards with non-standard port (#10)
• 7c797a4 Merge pull request #9 from skeema/certs-backwards-compat
• 53a26cc Minor adjustments based on initial PR feedback
• 69b4a62 certs: reimplement previous commit to maintain backwards compat
• d314bf3 Support cert authorities
• 5832aa8 ci: send coverage to Coveralls; upgrade action versions
• 7acc57b go.mod: update golang.org/x dependencies
• See full diff in compare view

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