deps: update dependency com.google.cloud:google-cloud-core to v2.8.19

Author: renovate-bot

pom.xml

@@ -159,7 +159,7 @@
  <dependency>
  <groupId>com.google.cloud</groupId>
  <artifactId>google-cloud-core</artifactId>
- <version>2.8.17</version>
+ <version>2.8.19</version>
  <scope>test</scope>
  </dependency>
  <dependency>