test(deps): update dependency com.google.cloud:google-cloud-conforman…

…ce-tests to v0.2.8 (#1199)

[![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:google-cloud-conformance-tests](https://togithub.com/googleapis/java-shared-config) | `0.2.7` -> `0.2.8` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.2.8/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.2.8/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.2.8/compatibility-slim/0.2.7)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-conformance-tests/0.2.8/confidence-slim/0.2.7)](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**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **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-bigtable).

pom.xml

@@ -178,7 +178,7 @@
             <dependency>
                 <groupId>com.google.cloud</groupId>
                 <artifactId>google-cloud-conformance-tests</artifactId>
-                <version>0.2.7</version>
+                <version>0.2.8</version>
             </dependency>
             <dependency>
                 <groupId>com.google.truth</groupId>