Bump com.approvaltests:approvaltests from 26.6.0 to 26.7.0

Bumps [com.approvaltests:approvaltests](https://github.com/approvals/ApprovalTests.Java) from 26.6.0 to 26.7.0.
- [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@26.6.0...26.7.0)

---
updated-dependencies:
- dependency-name: com.approvaltests:approvaltests
  dependency-version: 26.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

app/build.gradle

@@ -30,7 +30,7 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter:6.0.2' 
     testImplementation 'org.scalatest:scalatest_2.13:3.3.0-SNAP4'
     testImplementation 'org.scalatestplus:junit-4-13_2.13:3.3.0.0-SNAP3'
-    testImplementation("com.approvaltests:approvaltests:26.6.0")
+    testImplementation("com.approvaltests:approvaltests:26.7.0")
     testImplementation("com.google.code.gson:gson:2.13.2") 
 
     // Need scala-xml at test runtime