bump version

Author: samumantha

CITATION.cff

@@ -37,7 +37,7 @@ authors:
 title: "Automated testing"
 type: "data"
 abstract: "Preventing yourself and others from breaking your functioning code. In this lesson we talk about motivation for testing, about test design, but also about some tools that are typically used for automated testing of software."
-version: 2025-03-19
+version: 2026-03-30
 date-released: 2025-03-19
 url: "https://coderefinery.github.io/testing/"
 license: CC-BY-4.0