Update dependency androidx.test.ext:junit to v1.2.1 (#4530)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [androidx.test.ext:junit](https://developer.android.com/testing) |
`1.1.5` -> `1.2.1` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/androidx.test.ext:junit/1.2.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/androidx.test.ext:junit/1.2.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/androidx.test.ext:junit/1.1.5/1.2.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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gradle/libs.versions.toml

@@ -10,7 +10,7 @@ androidx-drawerlayout = "1.2.0"
 androidx-exifinterface = "1.3.7"
 androidx-fragment = "1.8.0"
 androidx-hilt = "1.2.0"
-androidx-junit = "1.1.5"
+androidx-junit = "1.2.1"
 androidx-lifecycle = "2.8.2"
 androidx-media3 = "1.3.1"
 androidx-paging = "3.3.0"

gradle/verification-metadata.xml

@@ -94,6 +94,9 @@
          </artifact>
       </component>
       <component group="androidx.annotation" name="annotation-experimental" version="1.0.0">
+         <artifact name="annotation-experimental-1.0.0.aar">
+            <sha256 value="b219d2b568e7e4ba534e09f8c2fd242343df6ccbdfbbe938846f5d740e6b0b11" origin="Generated by Gradle"/>
+         </artifact>
          <artifact name="annotation-experimental-1.0.0.pom">
             <sha256 value="6b73ff6608f4b1d6cbab620b65708a382d0b39901cf4e6b0d16f84a1b04d7732" origin="Generated by Gradle"/>
          </artifact>
@@ -1505,6 +1508,14 @@
             <sha256 value="4cff0df04cae25831e821ef2f9129245783460e98d0fd67d8f6824065a134c4e" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="androidx.test.ext" name="junit" version="1.2.1">
+         <artifact name="junit-1.2.1.aar">
+            <sha256 value="7b146a73c545b983430d2fae0081df67c76722c19a9abd2904e131696a8c5b20" origin="Generated by Gradle"/>
+         </artifact>
+         <artifact name="junit-1.2.1.pom">
+            <sha256 value="983e474e47aafea0d078c4bd0b72aab1a292aceac198856371a02e1e1cb51751" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="androidx.test.services" name="storage" version="1.4.2">
          <artifact name="storage-1.4.2-sources.jar">
             <sha256 value="160b0c0c957fa33046d93942a0937b7d08bc09ccb51003e83c1e94f65b64034a" origin="Generated by Gradle"/>