CI: add SpellCheck workflow and clean up Dependabot config (#371)#373

ChrisRackauckas merged 1 commit into

SciML:mainSciML/ComponentArrays.jl:mainfrom

ChrisRackauckas-Claude:ci/sciml-standard-spellcheck-dependabotChrisRackauckas-Claude/ComponentArrays.jl:ci/sciml-standard-spellcheck-dependabotCopy head branch name to clipboard