[AUTOMATIC] Release/8.1.0

[RCGitBot]

This is an automatic release.

Bugfixes

• Refine StoreKitVersion logging in configure function (#1068) via Will Taylor (@fire-at-will)

  Dependency Updates

• [AUTOMATIC BUMP] Updates purchases-hybrid-common to 13.1.0 (#1074) via RevenueCat Git Bot (@RCGitBot)
  • Android 8.6.0
  • Android 8.5.0
  • iOS 5.3.0
• Bump rexml from 3.2.8 to 3.3.3 in /examples/MagicWeather (#1072) via dependabot[bot] (@dependabot[bot])
• Bump rexml from 3.2.8 to 3.3.3 in /examples/purchaseTesterTypescript (#1066) via dependabot[bot] (@dependabot[bot])
• Bump rexml from 3.2.9 to 3.3.3 (#1065) via dependabot[bot] (@dependabot[bot])

  Other Changes

• Typo fix in v8-MIGRATION.md (#1071) via Will Taylor (@fire-at-will)