The `set-env` command was recently deprecated in favor of a different method of setting environment variables, due to a security vulnerability [1]. The vulnerability does not affect our usage of GitHub Actions, but we should nevertheless update to avoid the associated deprecation warnings.
[1] https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/ ------------- Commit messages: - Remove usage of deprecated ::set-env Changes: https://git.openjdk.java.net/jdk/pull/518/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=518&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8254054 Stats: 53 lines in 1 file changed: 1 ins; 21 del; 31 mod Patch: https://git.openjdk.java.net/jdk/pull/518.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/518/head:pull/518 PR: https://git.openjdk.java.net/jdk/pull/518
