Release 4.2.0

• Add mesonlint tool that allows to lint a project and to check+fix the formatting. It's currently not integrated with the language server.
• Fix a few deprecation informations (#70, by @ptomato)
• Fix crash if there was an iteration statement without variables
• Add option to emit warnings, if a loop variable has the same name as a enclosing one. (disableIterationVariableShadowingLint)
• Add option to emit warnings, if a loop variable is overwritten in the body. (Off by default, enableIterationVariableLint)
• Fix types of default_options
• Make mesonlsp compile on aarch64-unknown-linux-gnu
• Don't report warning about format identifiers in string for vcs_tag::@replace_string@
• Show errors for nested ternaries, as they are forbidden.
• Add a few new kwargs from meson 1.4.0