Merge pull request #492 from Netflix/use-environments

Update Github Actions to use latest NetflixOSS recommendations

refactor: Change GitHub Action version to address deprecation

ci: use Temurin distributions (#476)

ci: jdk 17 (#473)

update gradle and nebula (#478)

setup-java v3 (#472)

refactor: Parameterize SLF4J logging statements (#470)

stop using JCenter for publishing (#469)

add notice about noop behavior (#467)

switch to no op monitor registry by default (#466)

add a checkArgument that avoids varargs (#465)

do not warn if global registry used for context (#463)

remove sudo tag from Travis config (#461)

warn if SpectatorContext registry is overwritten (#458)