v0.18.0

MIRT v0.18.0

Diff since v0.17.0

Merged pull requests:

• Get docs to deploy / tab to 4 space (#125) (@JeffFessler)
• Add line search based on MM, require Julia 1.8 (#126) (@JeffFessler)
• Deprecate ndgrid, improve code coverage, use iszero (#127) (@JeffFessler)
• Fix docs urls (#129) (@JeffFessler)
• Bump actions/checkout from 3 to 4 (#130) (@dependabot[bot])
• Bump actions/cache from 3 to 4 (#131) (@dependabot[bot])
• Bump codecov/codecov-action from 3 to 4 (#132) (@dependabot[bot])
• Update compat; standardize yml; use Type not DataType; to v0.18 (#133) (@JeffFessler)