Add modifiers parameter to VariableDecl convenience init

Author: fwcd

Sources/SwiftSyntaxBuilder/VariableDeclConvenienceInitializers.swift

@@ -16,12 +16,13 @@ extension VariableDecl {
   /// Creates an optionally initialized property.
   public init(
     leadingTrivia: Trivia = [],
+    modifiers: ModifierList? = nil,
     _ letOrVarKeyword: TokenSyntax,
     name: ExpressibleAsIdentifierPattern,
     type: ExpressibleAsTypeAnnotation? = nil,
     initializer: ExpressibleAsInitializerClause? = nil
   ) {
-    self.init(leadingTrivia: leadingTrivia, letOrVarKeyword: letOrVarKeyword) {
+    self.init(leadingTrivia: leadingTrivia, modifiers: modifiers, letOrVarKeyword: letOrVarKeyword) {
       PatternBinding(
         pattern: name,
         typeAnnotation: type,