Apply DeMorgan's Law

created `ApplyDeMorganLaw` to provide code actions for generalised DeMorgan's conversion
- matches with the outermost applicable expression
- supports both logical and bitwise expressions
- parentheses are created minimally
added SwiftOperators from swift-syntax as a new dependency to SourceKitLSP
registered in `SyntaxCodeActions.allSyntaxCodeActions`
registered in Sources/SourceKitLSP/CMakeLists.txt
added tests in `CodeActionTests`

Author: AppAppWorks

Package.swift

@@ -337,6 +337,7 @@ let package = Package(
         .product(name: "Crypto", package: "swift-crypto"),
         .product(name: "SwiftDiagnostics", package: "swift-syntax"),
         .product(name: "SwiftIDEUtils", package: "swift-syntax"),
+        .product(name: "SwiftOperators", package: "swift-syntax"),
         .product(name: "SwiftParser", package: "swift-syntax"),
         .product(name: "SwiftParserDiagnostics", package: "swift-syntax"),
         .product(name: "SwiftRefactor", package: "swift-syntax"),

Sources/SourceKitLSP/CMakeLists.txt

@@ -29,6 +29,7 @@ target_sources(SourceKitLSP PRIVATE
 target_sources(SourceKitLSP PRIVATE
   Swift/AdjustPositionToStartOfIdentifier.swift
   Swift/CodeActions/AddDocumentation.swift
+  Swift/CodeActions/ApplyDeMorganLaw.swift
   Swift/CodeActions/ConvertIntegerLiteral.swift
   Swift/CodeActions/ConvertJSONToCodableStruct.swift
   Swift/CodeActions/ConvertStringConcatenationToStringInterpolation.swift