Rewrite validate_email_address() as a Puppet 4.x function

[smortex]

The 3.x function rely on is_email_address() which is deprecated. Rewrite it using the more modern puppet 4.x function to rely on data types for better parameters validation.

[puppet-community-rangefinder]

validate_email_address is a function

that may have no external impact to Forge modules.

validate_email_address is a function

that may have no external impact to Forge modules.

This module is declared in 318 of 580 indexed public Puppetfiles.

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These results were generated with Rangefinder, a tool that helps predict the downstream impact of breaking changes to elements used in Puppet modules. You can run this on the command line to get a full report.

Exact matches are those that we can positively identify via namespace and the declaring modules' metadata. Non-namespaced items, such as Puppet 3.x functions, will always be reported as near matches only.