Add docs for decorators 2023-05 (#2788)

* Add docs for decorators 2023-05

* Update docs/plugin-proposal-decorators.md

Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>

---------

Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>

docs/plugin-proposal-decorators.md

@@ -62,7 +62,7 @@ npm install --save-dev @babel/plugin-proposal-decorators
 ```json title="babel.config.json"
 {
   "plugins": [
-    ["@babel/plugin-proposal-decorators", { "version": "2023-01" }]
+    ["@babel/plugin-proposal-decorators", { "version": "2023-05" }]
   ]
 }
 ```
@@ -72,7 +72,7 @@ npm install --save-dev @babel/plugin-proposal-decorators
 ```js title="JavaScript"
 require("@babel/core").transformSync("code", {
   plugins: [
-    ["@babel/plugin-proposal-decorators", { version: "2023-01" }],
+    ["@babel/plugin-proposal-decorators", { version: "2023-05" }],
   ]
 });
 ```
@@ -84,16 +84,18 @@ require("@babel/core").transformSync("code", {
 
 | Version | Changes |
 | --- | --- |
+| `v7.22.0` | Added support for `version: "2023-05"` |
 | `v7.21.0` | Added support for `version: "2023-01"` |
 | `v7.19.0` | Added support for `version: "2022-03"` |
 | `v7.17.0` | Added the `version` option with support for `"2021-12"`, `"2018-09"` and `"legacy"` |
 </details>
 
 ### `version`
 
-`"2023-01"`, `"2022-03"`, `"2021-12"`, `"2018-09"` or `"legacy"`.
+`"2023-05"`, `"2023-01"`, `"2022-03"`, `"2021-12"`, `"2018-09"` or `"legacy"`.
 
 Selects the decorators proposal to use:
+- `"2023-05"` is the proposal version after the updates that reached consensus in the March and May 2023 TC39 meetings, integrating [these changes](https://github.com/pzuraq/ecma262/compare/e86128e13b63a3c2efc3728f76c8332756752b02...c4465e44d514c6c1dba810487ec2721ccd6b08f9).
 - `"2023-01"` is the proposal version after the updates that reached consensus in the January 2023 TC39 meeting, integrating [`pzuraq/ecma262#4`](https://github.com/pzuraq/ecma262/pull/4).
 - `"2022-03"` is the proposal version that reached consensus for Stage 3 in the March 2022 TC39 meeting. You can read more about it at [`tc39/proposal-decorators@8ca65c046d`](https://github.com/tc39/proposal-decorators/tree/8ca65c046dd5e9aa3846a1fe5df343a6f7efd9f8).
 - `"2021-12"` is the proposal version as it was presented to TC39 in Dec 2021. You can read more about it at [`tc39/proposal-decorators@d6c056fa06`](https://github.com/tc39/proposal-decorators/tree/d6c056fa061646178c34f361bad33d583316dc85).
@@ -107,7 +109,7 @@ If you specify the `decoratorsBeforeExport` option, `version` defaults to `"2018
 ### `decoratorsBeforeExport`
 
 This option:
-- is disallowed when using `version: "legacy"`, `version: "2022-03"`, or `version: "2023-01"`;
+- is disallowed when using `version: "legacy"`, `version: "2022-03"`, `version: "2023-01"`, or `version: "2023-05"`;
 - is required when using `version: "2018-09"`;
 - is optional and defaults to `false` when using `version: "2021-12"`.
 
@@ -155,7 +157,7 @@ If you are already using `@babel/preset-env`, you can safely remove `@babel/plug
   "presets": ["@babel/preset-env"],
   "plugins": [
 -   "@babel/plugin-proposal-class-properties",
-    ["@babel/plugin-proposal-decorators", { "version": "2023-01" }]
+    ["@babel/plugin-proposal-decorators", { "version": "2023-05" }]
   ]
 }
 ```