Bump androidx.test.ext:junit from 1.2.1 to 1.3.0 in /03_constraintlayout

Bumps androidx.test.ext:junit from 1.2.1 to 1.3.0.

---
updated-dependencies:
- dependency-name: androidx.test.ext:junit
  dependency-version: 1.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

03_constraintlayout/gradle/libs.versions.toml

@@ -3,7 +3,7 @@ agp = "8.11.1"
 kotlin = "2.2.0"
 coreKtx = "1.16.0"
 junit = "4.13.2"
-junitVersion = "1.2.1"
+junitVersion = "1.3.0"
 espressoCore = "3.7.0"
 appcompat = "1.7.1"
 material = "1.12.0"