deps: update project.appengine.version to v2.0.6 (#1704)

[![Mend 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.appengine:appengine-api-stubs](https://togithub.com/GoogleCloudPlatform/appengine-java-standard) | `2.0.5` -> `2.0.6` | [![age](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-api-stubs/2.0.6/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-api-stubs/2.0.6/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-api-stubs/2.0.6/compatibility-slim/2.0.5)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-api-stubs/2.0.6/confidence-slim/2.0.5)](https://docs.renovatebot.com/merge-confidence/) | | [com.google.appengine:appengine-testing](https://togithub.com/GoogleCloudPlatform/appengine-java-standard) | `2.0.5` -> `2.0.6` | [![age](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-testing/2.0.6/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-testing/2.0.6/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-testing/2.0.6/compatibility-slim/2.0.5)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-testing/2.0.6/confidence-slim/2.0.5)](https://docs.renovatebot.com/merge-confidence/) | | [com.google.appengine:appengine-api-1.0-sdk](https://togithub.com/GoogleCloudPlatform/appengine-java-standard) | `2.0.5` -> `2.0.6` | [![age](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-api-1.0-sdk/2.0.6/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-api-1.0-sdk/2.0.6/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-api-1.0-sdk/2.0.6/compatibility-slim/2.0.5)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.appengine:appengine-api-1.0-sdk/2.0.6/confidence-slim/2.0.5)](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>GoogleCloudPlatform/appengine-java-standard</summary> ### [`v2.0.6`](https://togithub.com/GoogleCloudPlatform/appengine-java-standard/compare/v2.0.5...v2.0.6) [Compare Source](https://togithub.com/GoogleCloudPlatform/appengine-java-standard/compare/v2.0.5...v2.0.6) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - 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 these updates again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, click this checkbox. --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/google-http-java-client). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzMi4xNTMuMCIsInVwZGF0ZWRJblZlciI6IjMyLjE1NC40In0=-->

Author: renovate-bot

pom.xml

@@ -561,7 +561,7 @@
  - Internally, update the default features.json file
  -->
  <project.http-client.version>1.42.3-SNAPSHOT</project.http-client.version><!-- {x-version-update:google-http-client-parent:current} -->
- <project.appengine.version>2.0.5</project.appengine.version>
+ <project.appengine.version>2.0.6</project.appengine.version>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  <project.jsr305.version>3.0.2</project.jsr305.version>
  <project.gson.version>2.9.1</project.gson.version>