build(deps): bump vuepress-theme-cosmos from 1.0.173 to 1.0.175 in /d…

…ocs (#7806)

Bumps [vuepress-theme-cosmos](https://github.com/cosmos/vuepress-theme-cosmos) from 1.0.173 to 1.0.175.
- [Release notes](https://github.com/cosmos/vuepress-theme-cosmos/releases)
- [Commits](https://github.com/cosmos/vuepress-theme-cosmos/commits)

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