development-dependency: bump solargraph from 0.44.0 to 0.44.1

Bumps solargraph from 0.44.0 to 0.44.1.

Changelog

Sourced from solargraph's changelog.

0.44.1 - November 18, 2021

• Chain nil safety navigation operator (#420)
• Update closure and context for class_eval receiver (#487)
• SourceMap::Mapper handles invalid byte sequences (#474)
• Special handle var= references, which may use as var = (have space) (#498)
• Rebind define_method to self (#494)

Commits

• d6fda22 Honor Rubocop "Exclude" config for diagnostics (#499)
• a673bba Update changelog
• c2aeba3 fix: special handle var= references, which may use as var = (have space) (#498)
• 8affd6f feat: define_method rebind self (#494)
• d6ed85e Handle class_eval binding in legacy parser
• 48fc76c Handle safe navigation in legacy parser
• 71103d6 SourceMap::Mapper handles invalid byte sequences (#474)
• 33f6e11 Stale code
• cae720b Domain directives default to root
• 8949c3f Strip documentation whitespace
• Additional commits viewable in compare view

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