Release v1.13.0

Feature:

• 6bad479 - #510 add key id and team id ios cli flags (#511) (8 weeks ago)
• 685a87c - Concurrent ios pushes (#497) (3 months ago)

Enhancement:

• 300fdc2 - Enable sending notifications via gRPC to FCM topic (#531) (6 days ago)
• 36a2e18 - Handle HEAD method for healthcheck endpoint (#525) (3 weeks ago) <Yaroslav "Zorg" Zborovsky>
• 20a9d18 - Check status of response before retry send push (#507) (2 months ago)
• c8ce081 - chore: upgrade gin to 1.6.3 performance (#506) (2 months ago)
• 52c2301 - chore(http): ignore ErrServerClosed error (#505) (3 months ago)
• 7dbb5c9 - refactor(worker): remove context from notification structure (#503) (3 months ago)
• c2136ff - chore(storage): storage performance issues (#500) (3 months ago)
• be64c1f - docs: Add deploy to netlify (4 months ago)
• 64b6f04 - chore: support netlify (4 months ago)
• 5f0ed4e - docs(gorush): add image and collapse-id to request in readme (#487) (4 months ago)
• 44bf379 - chore(grpc): add image field (#485) (4 months ago)

Bugs:

• b94c9b9 - chore(windows): Disable CGO_ENABLED (#534) (7 hours ago)
• a4cc8d7 - chore: fix race condition with push iOS notification (#533) (17 hours ago)
• 7c7e740 - fix: check response is nil or not (#532) (18 hours ago)
• 7b7d27f - chore(server): add testing with healthz router. (#526) (3 weeks ago)
• 50bb20a - fix(k8s): update the manifests for k8s 1.18 (#524) (4 weeks ago)
• e186d70 - fix config path in readme #514 (#516) (7 weeks ago)
• b35a831 - ReImplement DialTLS fix from apns2 (#509) (9 weeks ago)