Add a command to delete old gift cards

[Roshyo]

Fixes #228

[codecov]

Codecov Report

Merging #229 (5ad9f84) into 0.11.x (02d7eaf) will decrease coverage by 0.51%.
The diff coverage is 0.00%.

❗ Current head 5ad9f84 differs from pull request most recent head 25841d2. Consider uploading reports for the commit 25841d2 to get more accurate results

@@             Coverage Diff             @@
##             0.11.x    #229      +/-   ##
===========================================
- Coverage     10.06%   9.54%   -0.52%     
- Complexity      358     375      +17     
===========================================
  Files            62      63       +1     
  Lines          1103    1163      +60     
===========================================
  Hits            111     111              
- Misses          992    1052      +60     

Impacted Files	Coverage Δ
src/Command/Cli/DisableOldGiftCardsCommand.php	0.00% <0.00%> (ø)
src/Doctrine/ORM/GiftCardRepository.php	0.00% <0.00%> (ø)
src/SetonoSyliusGiftCardPlugin.php	0.00% <0.00%> (ø)
src/EmailManager/GiftCardEmailManager.php	0.00% <0.00%> (ø)
src/Form/Extension/ProductTypeExtension.php	0.00% <0.00%> (ø)
src/EventListener/GiftCardDeletionSubscriber.php	0.00% <0.00%> (ø)
...rc/Controller/Action/ResendGiftCardEmailAction.php	0.00% <0.00%> (ø)
...istener/DefaultGiftCardConfigurationSubscriber.php	0.00% <0.00%> (ø)
...ener/SendEmailWithGiftCardToCustomerSubscriber.php	0.00% <0.00%> (ø)

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