Update OpenSSL docs

Author: eregon

CHANGELOG.md

@@ -3,6 +3,7 @@
 New features:
 
 * Add support for `darwin-aarch64` (macOS M1) (#2181, @lewurm, @chrisseaton, @eregon).
+* Add support for OpenSSL 3.0.0 by updating the openssl gem (@aardvark179, @eregon).
 
 Bug fixes:
 

doc/user/installing-libssl.md

@@ -6,10 +6,10 @@ permalink: /reference-manual/ruby/Installinglibssl/
 ---
 # Installing `libssl`
 
-TruffleRuby provides the `openssl` module but not the native `libssl` system library that the module uses.
-TruffleRuby supports libssl versions 1.0.2 and 1.1.0 (not 3.0.0 currently).
+TruffleRuby provides the `openssl` gem but not the native `libssl` system library that the gem uses.
+TruffleRuby supports libssl versions 1.0.2, 1.1.0 and 3.0.0.
 
-If you experience `openssl`-related errors, it might help to recompile the `openssl` module by running `lib/truffle/post_install_hook.sh`.
+If you experience `openssl`-related errors, it might help to recompile the `openssl` gem by running `lib/truffle/post_install_hook.sh`.
 This is done automatically by Ruby managers, and mentioned in the post-install message when installing TruffleRuby via `gu install` in GraalVM.
 
 To compile TruffleRuby against a non-system `libssl`, set `OPENSSL_PREFIX` while installing TruffleRuby:
@@ -19,8 +19,6 @@ export OPENSSL_PREFIX=/path/to/my/openssl-1.1.0
 
 ### RedHat-based: Fedora, Oracle Linux, etc
 
-On Fedora 36, use `openssl1.1-devel` instead.
-
 ```bash
 sudo dnf install openssl-devel
 ```