build(deps): update dependency com.google.cloud:google-cloud-shared-config to v1.2.6 (#780)

[![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-shared-config](https://togithub.com/googleapis/java-shared-config) | `1.2.5` -> `1.2.6` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-config/1.2.6/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-config/1.2.6/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-config/1.2.6/compatibility-slim/1.2.5)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-config/1.2.6/confidence-slim/1.2.5)](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>googleapis/java-shared-config</summary> ### [`v1.2.6`](https://togithub.com/googleapis/java-shared-config/blob/HEAD/CHANGELOG.md#&#8203;126-httpsgithubcomgoogleapisjava-shared-configcomparev125v126-2022-01-19) [Compare Source](https://togithub.com/googleapis/java-shared-config/compare/v1.2.5...v1.2.6) </details> --- ### 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-monitoring).

Author: renovate-bot

google-cloud-monitoring-bom/pom.xml

@@ -8,7 +8,7 @@
  <parent>
  <groupId>com.google.cloud</groupId>
  <artifactId>google-cloud-shared-config</artifactId>
- <version>1.2.5</version>
+ <version>1.2.6</version>
  </parent>
 
  <name>Google Cloud Monitoring BOM</name>

pom.xml

@@ -14,7 +14,7 @@
  <parent>
  <groupId>com.google.cloud</groupId>
  <artifactId>google-cloud-shared-config</artifactId>
- <version>1.2.5</version>
+ <version>1.2.6</version>
  </parent>
 
  <developers>