deps: update dependency org.graalvm.buildtools:native-maven-plugin to v0.9.20#1485

maitrimangal merged 2 commits intogoogleapis:maingoogleapis/java-pubsub:mainfrom

renovate-bot:renovate/org.graalvm.buildtools-native-maven-plugin-0.xrenovate-bot/java-pubsub:renovate/org.graalvm.buildtools-native-maven-plugin-0.xCopy head branch name to clipboard