v1.324 🌈

Changes

• Prepare release (bitwiseman): github-api-1.324 @github-actions (#1910)
• Accept 429 response codes as an indication of the secondary rate limit being exceeded @holly-cummins (#1895)
• add GHUser#suspendedAt @styner9 (#1906)
• Add fork branch sync @jonesbusy (#1898)
• Add functionality to get active rules for a branch @ihrigb (#1897)
• Prepare release (bitwiseman): github-api-1.323 @github-actions (#1892)