Replace depreated BaseVariant usages

[Goooler]

com.android.build.gradle.api.BaseVariant is deprecated, we should migrate usages of it.

https://cs.android.com/android-studio/platform/tools/base/+/mirror-goog-studio-main:build-system/gradle-core/src/main/java/com/android/build/gradle/api/BaseVariant.java

spotbugs-gradle-plugin/src/main/kotlin/com/github/spotbugs/snom/internal/SpotBugsTaskFactory.kt

Lines 70 to 81 in 53f7809

	val variants: DomainObjectSet<out BaseVariant> =
	when (baseExtension) {
	is AppExtension -> baseExtension.applicationVariants
	is LibraryExtension -> baseExtension.libraryVariants
	else -> throw GradleException("Unrecognized Android extension $baseExtension")
	}
	variants.all { variant: BaseVariant ->
	val spotbugsTaskName =
	toLowerCamelCase(
	"spotbugs",
	variant.name,
	)