Bump com.approvaltests:approvaltests from 18.7.1 to 26.1.0

Bumps [com.approvaltests:approvaltests](https://github.com/approvals/ApprovalTests.Java) from 18.7.1 to 26.1.0.
- [Release notes](https://github.com/approvals/ApprovalTests.Java/releases)
- [Changelog](https://github.com/approvals/ApprovalTests.Java/blob/master/internal_documentation/release.md)
- [Commits](approvals/ApprovalTests.Java@18.7.1...26.1.0)

---
updated-dependencies:
- dependency-name: com.approvaltests:approvaltests
  dependency-version: 26.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -26,7 +26,7 @@
         <dependency>
             <groupId>com.approvaltests</groupId>
             <artifactId>approvaltests</artifactId>
-            <version>18.7.1</version>
+            <version>26.1.0</version>
         </dependency>
         <dependency>
             <groupId>com.h2database</groupId>