Swift: Address singleton set literal warning

Author: geoffw0

docs/codeql/codeql-language-guides/analyzing-data-flow-in-swift.rst

@@ -267,7 +267,7 @@ The following global taint-tracking query finds places where a value from a remo
 
      predicate isSink(DataFlow::Node node) {
        exists(CallExpr call |
-         call.getStaticTarget().(MethodDecl).hasQualifiedName("Connection", ["execute(_:)"]) and
+         call.getStaticTarget().(MethodDecl).hasQualifiedName("Connection", "execute(_:)") and
          call.getArgument(0).getExpr() = node.asExpr()
        )
      }

swift/ql/examples/snippets/simple_sql_injection.ql

@@ -17,7 +17,7 @@ module SqlInjectionConfig implements DataFlow::ConfigSig {
 
   predicate isSink(DataFlow::Node node) {
     exists(CallExpr call |
-      call.getStaticTarget().(MethodDecl).hasQualifiedName("Connection", ["execute(_:)"]) and
+      call.getStaticTarget().(MethodDecl).hasQualifiedName("Connection", "execute(_:)") and
       call.getArgument(0).getExpr() = node.asExpr()
     )
   }