feat: add UTF-8 with BOM support for CSV exported files

[flang]

Close #89

[javier-godoy]

Should we use a SerializableSupplier<Charset> so that GridExporter remains serializable?

[javier-godoy]

Note that charset is a captured argument, which is included in the serialized form of the supplier.

Exception in thread "main" org.apache.commons.lang3.SerializationException: java.io.NotSerializableException: sun.nio.cs.ISO_8859_1
	- element of array (index: 0)
	- array (class "[Ljava.lang.Object;", size: 1)
	- field (class "java.lang.invoke.SerializedLambda", name: "capturedArgs", type: "class [Ljava.lang.Object;")
	- object (class "java.lang.invoke.SerializedLambda", SerializedLambda

public class Test implements Serializable {

  SerializableSupplier<Charset> charsetSupplier;

  public Test(Charset charset) {
    charsetSupplier = () -> charset;
  }

  public Test(SerializableSupplier<Charset> charsetSupplier) {
    this.charsetSupplier = charsetSupplier;
  }

  public static void main(String[] args) {
    // SerializationUtils.clone(new Test(StandardCharsets.ISO_8859_1)); fails
    SerializationUtils.clone(new Test(() -> StandardCharsets.ISO_8859_1)); //works
  }

}

Since this change affects serialization in a non-trivial way, the feature should be configured in https://github.com/FlowingCode/GridExporterAddon/blob/master/src/test/java/com/flowingcode/vaadin/addons/gridexporter/test/SerializationTest.java#L49

[sonarqubecloud]

Quality Gate passed

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