Bump gson from 2.8.1 to 2.8.6

[dependabot-preview]

Bumps gson from 2.8.1 to 2.8.6.

Changelog

Sourced from gson's changelog.

Version 2.8.6

2019-10-04 GitHub Diff

• Added static methods JsonParser.parseString and JsonParser.parseReader and deprecated instance method JsonParser.parse
• Java 9 module-info support

Version 2.8.5

2018-05-21 GitHub Diff

• Print Gson version while throwing AssertionError and IllegalArgumentException
• Moved utils.VersionUtils class to internal.JavaVersion. This is a potential backward incompatible change from 2.8.4
• Fixed issue google/gson#1310 by supporting Debian Java 9

Version 2.8.4

2018-05-01 GitHub Diff

• Added a new FieldNamingPolicy, LOWER_CASE_WITH_DOTS that mapps JSON name someFieldName to some.field.name
• Fixed issue google/gson#1305 by removing compile/runtime dependency on sun.misc.Unsafe

Version 2.8.3

2018-04-27 GitHub Diff

• Added a new API, GsonBuilder.newBuilder() that clones the current builder
• Preserving DateFormatter behavior on JDK 9
• Numerous other bugfixes

Version 2.8.2

2017-09-19 GitHub Diff

• Introduced a new API, JsonElement.deepCopy()
• Numerous other bugfixes

Commits

• 29c9389 [maven-release-plugin] prepare release gson-parent-2.8.6
• 21fc362 Fixed tests for java 11 (#1454)
• c188138 restored Java 9 build (#1586)
• 20dca86 Add docs to module-info.java (#1535)
• d6e6a01 Keep TypeAdapters from being stripped (#1546)
• 7845c38 Minor cleanups in deprecations and other warnings (#1522)
• 0e90771 Made the build work again with JDK 8 (#1585)
• 0409a2e Fix typo in UserGuide (#1572)
• 3958b1f Prefer writing chars instead of strings of length one (#1576)
• f885e60 Reverted the commit ce0fc4f34fe783ab685762341d61439fd5dc4670
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language
• @dependabot badge me will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot dashboard:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)