Upgrade to androidx.test:core:1.5.0-alpha02

This version has a fix for API 33 explicit activity
requirement

Bug: 240365524
Test: ./gradlew assembleDebug
Change-Id: I2dfcd1402f67b95d06f6a4fbc983f4d020d22cd1
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 79223f5..5f453b8 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -17,7 +17,7 @@
 androidxTestRunner = "1.4.0"
 androidxTestRules = "1.4.0"
 androidxTestMonitor = "1.5.0"
-androidxTestCore = "1.4.0"
+androidxTestCore = "1.5.0-alpha02"
 androidxTestExtJunit = "1.1.3"
 androidxTestExtTruth = "1.4.0"
 atomicFu = "0.17.0"