required a higher minimum deployment target

[DK3369]

Xcode 12.5.1
pod 1.10.1
swift 5
development version 11 or 12
platform :ios, '12.1'

pod install
Analyzing dependencies
[!] CocoaPods could not find compatible versions for pod "SPConfetti":
  In Podfile:
    SPConfetti

Specs satisfying the `SPConfetti` dependency were found, but they required a higher minimum deployment target.