Added 1.21.x to tests

- Updated tests.yml workflow
- Updated README.md

Author: josemmo

.github/workflows/tests.yml

@@ -6,12 +6,12 @@ jobs:
   test:
     runs-on: ubuntu-latest
     timeout-minutes: 8
-    continue-on-error: ${{ matrix.version == '1.20.4' }}
+    continue-on-error: ${{ matrix.version == '1.21.1' }}
     strategy:
       fail-fast: false
       matrix:
         flavor: ['bukkit', 'spigot', 'paper', 'purpur']
-        version: ['1.20.4', '1.19.4', '1.18.2', '1.17.1', '1.16.5']
+        version: ['1.21.1', '1.20.6', '1.19.4', '1.18.2', '1.17.1', '1.16.5']
     steps:
       # Download code from repository
       - name: Checkout code

README.md

@@ -25,7 +25,7 @@ Download the JAR file for the [latest release](https://github.com/josemmo/yamipa
 Before installing Yamipa make sure you meet the following requirements:
 
 - CraftBukkit, Spigot or PaperMC 1.16 or higher
-- [ProtocolLib](https://www.spigotmc.org/resources/protocollib.1997/) v5.0.0 or higher
+- [ProtocolLib](https://www.spigotmc.org/resources/protocollib.1997/) v5.3.0 or higher
 
 Here are the Minecraft distributions where Yamipa should be able to run:
 | Minecraft version | CraftBukkit | Spigot | PaperMC |
@@ -35,6 +35,7 @@ Here are the Minecraft distributions where Yamipa should be able to run:
 |     1.18 & 1.18.x |     ✅      |   ✅    |   ✅    |
 |     1.19 & 1.19.x |     ✅      |   ✅    |   ✅    |
 |     1.20 & 1.20.x |     ✅      |   ✅    |   ✅    |
+|     1.21 & 1.21.x |     ✅      |   ✅    |   ✅    |
 
 ## Configuration
 Yamipa is ready-to-go right out of the box. By default, it creates the following files and directories under the