feat: allow to use a date/time string in default expiration time configuration

[pauljosephkrogulec]

Q	A
Bug fix?	no
New feature?	yes
Deprecations?	no
Tickets	Fix #12
License	MIT

Allow to use a date/time string in default expiration time configuration.

Waiting for the merge of spatie/url-signer#45.

[coveralls]

Pull Request Test Coverage Report for Build 4618772481

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

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Details

• 2 of 2 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 4427821652:	0.0%
Covered Lines:	51
Relevant Lines:	51

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💛 - Coveralls

[alanpoulain]

Thank you 🙂