ruby-build 20210825

* Add truffleruby+graalvm-dev

* Bump openssl-1.1.1l

ruby-build 20210804

* Add TruffleRuby 21.2.0.1

ruby-build 20210801

* TruffleRuby 21.2+ adds support for linux-aarch64

  * Fixes rbenv#1786

ruby-build 20210726

* Ensure it is safe to remove the prefix path for TruffleRuby or error

  * Only do clean_prefix_path for TruffleRuby and rename for clarity,
    since the logic is now TruffleRuby-specific.

ruby-build 20210720

* Add TruffleRuby 21.2.0

ruby-build 20210707

* Add JRuby 9.2.19.0

* Add Ruby 2.6.8, 2.7.4, 3.0.2

ruby-build 20210611

* Added JRuby 9.2.18.0

* Add jruby-dev

  * Uses the latest nightly, which is automatically built.

ruby-build 20210526

* Fix hashes for TruffleRuby 21.1.0

  * Unfortunately the original builds were based on incorrect JDK versions,
    these new hashes represent the correct builds based on JDK11.

ruby-build 20210510

* Join *_OPTS variables after *_OPTS_ARRAY variables

  This for instance allows `RUBY_CONFIGURE_OPTS` to override
  what's set by the definition.

  For instance `enable_shared` can be disabled with `RUBY_CONFIGURE_OPTS='--disable-shared'`

* Do not append `--enable-shared` if RUBY_CONFIGURE_OPTS include `--disable-shared`

ruby-build 20210423

* Fix hashes for TruffleRuby GraalVM 21.1.0

  * Unfortunately the files were changed and reuploaded as there was an
    issue with the gu (GraalVM Component Updater) catalog URL.