deps: update dependency com.google.cloud:google-cloud-shared-dependen…

…cies to v0.8.6 (#374)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [com.google.cloud:google-cloud-shared-dependencies](https://togithub.com/googleapis/java-shared-dependencies) | patch | `0.8.3` -> `0.8.6` |

---

### Release Notes

<details>
<summary>googleapis/java-shared-dependencies</summary>

### [`v0.8.6`](https://togithub.com/googleapis/java-shared-dependencies/blob/master/CHANGELOG.md#&#8203;086-httpswwwgithubcomgoogleapisjava-shared-dependenciescomparev085v086-2020-08-07)

[Compare Source](https://togithub.com/googleapis/java-shared-dependencies/compare/v0.8.5...v0.8.6)

### [`v0.8.5`](https://togithub.com/googleapis/java-shared-dependencies/blob/master/CHANGELOG.md#&#8203;085-httpswwwgithubcomgoogleapisjava-shared-dependenciescomparev084v085-2020-08-07)

[Compare Source](https://togithub.com/googleapis/java-shared-dependencies/compare/v0.8.4...v0.8.5)

### [`v0.8.4`](https://togithub.com/googleapis/java-shared-dependencies/blob/master/CHANGELOG.md#&#8203;084-httpswwwgithubcomgoogleapisjava-shared-dependenciescomparev083v084-2020-08-04)

[Compare Source](https://togithub.com/googleapis/java-shared-dependencies/compare/v0.8.3...v0.8.4)

</details>

---

### Renovate configuration

:date: **Schedule**: At any time (no schedule defined).

:vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

:recycle: **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

:no_bell: **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#googleapis/java-spanner).

pom.xml

@@ -106,7 +106,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-shared-dependencies</artifactId>
-        <version>0.8.3</version>
+        <version>0.8.6</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>