[BUG] Holiday should be user specific, not environment variable specific

[etagwerker]

Before we start...:

• I checked the documentation and found no answer
• I checked to make sure that this issue has not already been filed
• I'm reporting the issue to the correct repository (for multi-repository projects)

Branch/Commit:

main branch.

Expected behavior:

A Noko user should not get an email notification if it is a local holiday in their current country.

Actual behavior:

A Noko user will get an email notification if it is a local holiday in their current country.

Steps to reproduce:

1. Step 1: Wait for a holiday in your country
2. Step 2: Don't log any time
3. Step 3: Get an email notification

Context and environment:

The root cause is pretty straightforward:

pecas/app/models/user.rb

Lines 20 to 22 in 4843103

	def self.holiday?
	ENV["COUNTRY_CODE"] && Holidays.on(Date.today, ENV["COUNTRY_CODE"]).any?
	end

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