HOTFIX: EventSub pagination

[jackmcguire1]

• add 'after' field to EventSubSubscriptionsParams struct
• add 'type' field to enable the ability to filter eventsubs by type i.e. 'channel.follow'

[coveralls]

Pull Request Test Coverage Report for Build 1068165178

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.2%) to 96.602%

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Totals
Change from base Build 1057421189:	0.2%
Covered Lines:	1052
Relevant Lines:	1089

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💛 - Coveralls