Try to force StackOverflowError by increasing the depth constant

The test failed to generate the expected StackOverflowError,
so with this commit I try to force the error again.

src/test/java/io/usethesource/vallang/basic/LazyStringOperationsTest.java

@@ -194,7 +194,7 @@ public void testStringReplace(IValueFactory vf) {
 
 	@ParameterizedTest @ArgumentsSource(ValueProvider.class)
 	public void neverRunOutOfStack(IValueFactory vf) {
-		int outofStack = 30000;
+		int outofStack = 100000;
 
 		// first we have to know for sure that we would run out of stack with @see
 		// outOfStack iterations: