Fix end stmt spans for stop on failure (#2420)

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Author: idavis

compiler/qsc_qasm/src/ast_builder.rs

@@ -1502,6 +1502,7 @@ fn create_unit_expr(span: Span) -> Expr {
 pub(crate) fn build_end_stmt(span: Span) -> Stmt {
     let message = Expr {
         kind: Box::new(ExprKind::Lit(Box::new(Lit::String("end".into())))),
+        span,
         ..Default::default()
     };