deps: update jackson dependencies to v2.12.1 (#447)

Author: renovate-bot

pubsublite-spark-sql-streaming/pom.xml

@@ -102,7 +102,7 @@
  <dependency>
  <groupId>com.fasterxml.jackson.core</groupId>
  <artifactId>jackson-core</artifactId>
- <version>2.12.0</version>
+ <version>2.12.1</version>
  </dependency>
  <dependency>
  <groupId>com.github.ben-manes.caffeine</groupId>
@@ -112,7 +112,7 @@
  <dependency>
  <groupId>com.fasterxml.jackson.core</groupId>
  <artifactId>jackson-databind</artifactId>
- <version>2.12.0</version>
+ <version>2.12.1</version>
  </dependency>
  <dependency>
  <groupId>org.scala-lang</groupId>