v0.1.0

MixedComplementarityProblems v0.1.0

Merged pull requests:

• Bump actions/checkout from 2 to 4 (#1) (@dependabot[bot])
• Bump julia-actions/cache from 1 to 2 (#2) (@dependabot[bot])
• Bump julia-actions/setup-julia from 1 to 2 (#3) (@dependabot[bot])
• CompatHelper: bump compat for BlockArrays to 1, (keep existing compat) (#5) (@github-actions[bot])