(MODULES-8048) - 2.1.0 Mergeback

This commit sets the template-url to the pdk-templates repo and runs pdk convert to bring the module up to date

(maint) Update pdk template

Previously it possible to pass in empty strings into REG_MULTI_SZ
registry types, however according to the Microsoft documentation [1]
this is not allowed.

This commit modifies the registry_value type to validate incoming
array infomration and to fail if this data is passed through.

This commit also adds tests for these scenarios.

[1] https://docs.microsoft.com/en-us/windows/desktop/sysinfo/registry-value-types

(MODULES-5625) Fail on empty strings in REG_MULTI_SZ

The registry module now supports Windows Server 2019.  This commit
updates the metadata.json to show that Server 2019 is supported.

(FM-7693) Add Windows Server 2019

…0-g7281db5

pdksync - MODULES-8532 - pdksync_heads/master-0-g7281db5

to facilitate more complete test output from our unit tests.

(WIN-280) add skip() unless pattern to unit tests

(maint) Update issues url

- Remove Puppet 4 support
- Run pdk update
- Fully enable rubocop
- Add Puppet Strings

MODULES-9197 Align registry to core module structure and process

This commit updates the metadata so that rather than pointing at
a non-existent URL -- which was redirecting folks to the main
puppet.com page -- it now points at the github repository for the
project, just like virtually all of our other modules.

MODULES-9802 Repair broken project url to point at repo

(maint) Add a codeowners file

Updating windows versions to be inline with formatting of other supported modules

(maint) - Updating windows versions

(maint) - Lint Fixes

(maint) - Add support for Changelog Generator