deps: update dependency com.google.cloud:sdk-platform-java-config to v3.56.0#2373

olavloite merged 2 commits intogoogleapis:maingoogleapis/java-spanner-jdbc:mainfrom

renovate-bot:renovate/com.google.cloud-sdk-platform-java-config-3.xrenovate-bot/java-spanner-jdbc:renovate/com.google.cloud-sdk-platform-java-config-3.xCopy head branch name to clipboard