Bump concaveman from 1.1.1 to 1.2.1

[dependabot[bot]]

Bumps concaveman from 1.1.1 to 1.2.1.

Release notes

Sourced from concaveman's releases.

v1.2.1

• Add a temporary fix for a Webpack build issue. #20 #18
• Upgrade dependencies.

v1.2.0

Improve robustness by using robust-predicates, clean up dependencies. #17

Commits

• f01d6e4 1.2.1
• b70219e upgrade deps
• eb83842 Fix #18 (#20)
• 376139f Fix typo in README (#23)
• 6494d31 Fix invalid concave hull algorithm paper url (#22)
• 54838e1 1.2.0
• fa35ff0 upgrade dependencies
• 27ab4f5 Replace some troublesome dependencies (#17)
• 6d149db upgrade deps
• feb6b0f Added a comment about my C++ port of concaveman (#13)
• Additional commits viewable in compare view

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