ubuntu expired key fix

provider/indexer-aws/build-aws/buildspec.yaml

@@ -27,6 +27,8 @@ phases:
     runtime-versions:
       java: corretto8
     commands:
+      # fix error noted here: https://github.com/yarnpkg/yarn/issues/7866
+      - curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
       - if [ $(echo $CODEBUILD_SOURCE_VERSION | grep -c  ^refs/heads.*) -eq 1 ]; then echo "Branch name found"; else echo "This build only supports branch builds" && exit 1; fi
       - apt-get update -y
       - apt-get install -y maven