chore(deps): update dependency standard-version to v9.1.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
standard-version	9.1.0 -> 9.1.1

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Release Notes

conventional-changelog/standard-version

### [`v9.1.1`](https://togithub.com/conventional-changelog/standard-version/blob/master/CHANGELOG.md#​911-httpswwwgithubcomconventional-changelogstandard-versioncomparev910v911-2021-02-06) [Compare Source](https://togithub.com/conventional-changelog/standard-version/compare/v9.1.0...v9.1.1)

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[codecov[bot]]

Codecov Report

Merging #175 (73a31d5) into master (0e2894d) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #175   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files            2         2           
  Lines           45        45           
  Branches        11        11           
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  Hits            45        45