Bump arc-swap from 0.4.7 to 0.4.8 in /rust-api#33

dependabot[bot] wants to merge 1 commit intomastermooglemoogle/finnstagram:masterfrom

dependabot/cargo/rust-api/arc-swap-0.4.8mooglemoogle/finnstagram:dependabot/cargo/rust-api/arc-swap-0.4.8Copy head branch name to clipboard