Bump puppetlabs-mysql support to <11.0.0

We previously capped the version of the mysql
module to the 6.x release because of issues. [1]

Now when [2] will land we are testing the latest
available mysql module version and has unpinned.

[1] https://review.opendev.org/#/c/630121/
[2] https://review.opendev.org/#/c/709987/

Depends-On: https://review.opendev.org/#/c/709987/
Change-Id: I23d61d25836a083e872ec1cfe0085d6fa12ec7c8

metadata.json

@@ -11,7 +11,7 @@
         },
         {
             "name": "puppetlabs/mysql",
-            "version_requirement": ">=6.0.0 <9.0.0"
+            "version_requirement": ">=6.0.0 <11.0.0"
         },
         {
             "name": "puppetlabs/stdlib",

releasenotes/notes/bump-mysql-dep-10-217373db021b4c1f.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Puppet OpenStack now supports the 10.x release of the PuppetLabs MySQL module.