[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8268185: Update GitHub Actions for jtreg 6

[Jonathan Gibbons]

Changeset: e27c4d46
Author:    Jonathan Gibbons <jjg at openjdk.org>
Date:      2021-06-03 19:39:28 +0000
URL:       https://git.openjdk.java.net/aarch64-port/commit/e27c4d463d920994b79b8163f063ad74f6ee5d59

8268185: Update GitHub Actions for jtreg 6

Reviewed-by: erikj

! .github/workflows/submit.yml
! make/conf/test-dependencies