Mark unsupported annotations as internal for now

Author: tobi-laa

src/main/kotlin/io/github/tobi/laa/spring/boot/embedded/redis/cluster/EmbeddedRedisCluster.kt

@@ -13,4 +13,4 @@ import org.springframework.test.context.ContextCustomizerFactories
 @MustBeDocumented
 @ExtendWith(RedisFlushAllExtension::class)
 @ContextCustomizerFactories(RedisServerContextCustomizerFactory::class)
-annotation class EmbeddedRedisCluster
+internal annotation class EmbeddedRedisCluster

src/main/kotlin/io/github/tobi/laa/spring/boot/embedded/redis/shardedcluster/EmbeddedRedisShardedCluster.kt

@@ -13,4 +13,4 @@ import org.springframework.test.context.ContextCustomizerFactories
 @MustBeDocumented
 @ExtendWith(RedisFlushAllExtension::class)
 @ContextCustomizerFactories(RedisServerContextCustomizerFactory::class)
-annotation class EmbeddedRedisShardedCluster
+internal annotation class EmbeddedRedisShardedCluster