chore(deps): update gcr.io/cloud-spanner-emulator/emulator docker tag to v1.5.47#8856

bshaffer merged 1 commit intogoogleapis:maingoogleapis/google-cloud-php:mainfrom

renovate-bot:renovate/gcr.io-cloud-spanner-emulator-emulator-1.xrenovate-bot/google-cloud-php:renovate/gcr.io-cloud-spanner-emulator-emulator-1.xCopy head branch name to clipboard