chore(main): release 0.3.1

[github-actions[bot]]

:robot: I have created a release beep boop

0.3.1 (2023-05-13)

Bug Fixes

• check if the taxonomies exist before rendering (6f6dd63)
• ignore invalid years (f87cb77)
• set z-index as 1 for dropdown menu to avoid overlapping with others (52584dc)

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[github-actions[bot]]

:robot: Release is at https://github.com/hugomods/search/releases/tag/v0.3.1 :sunflower: