New rule: MA0160 Use ContainsKey instead of TryGetValue when the seco…

…nd arg is a discard (#743)

Improve heuristic for MA0003

Add StringSyntax to highlight code in tests

Improve message for MA0115

Fix message in MA0159

Update dependencies

chore(deps): update all dependencies

Update all dependencies

New rule: MA0158 - Use System.Threading.Lock instead of System.Object

MA0029 should not report when for IQueryable when the predicate is a …

…reference