deps: update dependency com.google.cloud:native-image-support to v0.12.8 (#750)

[![WhiteSource Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [com.google.cloud:native-image-support](https://togithub.com/googleapis/java-core) | `0.12.7` -> `0.12.8` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:native-image-support/0.12.8/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:native-image-support/0.12.8/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:native-image-support/0.12.8/compatibility-slim/0.12.7)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:native-image-support/0.12.8/confidence-slim/0.12.7)](https://docs.renovatebot.com/merge-confidence/) | --- ### Configuration 📅 **Schedule**: At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Renovate will not automatically rebase this PR, because other commits have been found. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, click this checkbox. --- This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/java-trace).

Author: renovate-bot

README.md

@@ -56,13 +56,13 @@ implementation 'com.google.cloud:google-cloud-trace'
 If you are using Gradle without BOM, add this to your dependencies
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-trace:2.1.4'
+implementation 'com.google.cloud:google-cloud-trace:2.1.5'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-trace" % "2.1.4"
+libraryDependencies += "com.google.cloud" % "google-cloud-trace" % "2.1.5"
 ```
 
 ## Authentication

samples/native-image-sample/pom.xml

@@ -108,7 +108,7 @@
  <!-- TODO: remove this when it's no longer needed -->
  <groupId>com.google.cloud</groupId>
  <artifactId>native-image-support</artifactId>
- <version>0.12.7</version>
+ <version>0.12.8</version>
  </dependency>
  <dependency>
  <groupId>org.junit.vintage</groupId>