[ci skip] some tweaks (#818)

.github/workflows/build.yml

@@ -12,15 +12,15 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [17,8]
+        java: [8, 11, 17, 21]
       fail-fast: true
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install Java ${{ matrix.java }}
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.java }}
-          distribution: 'adopt'
+          distribution: 'zulu'
       - name: patch
         run: |
           git config --global user.email "no-reply@github.com"

README.md

@@ -44,7 +44,7 @@ Waterfall requires **Java 8** or above.
 <dependency>
     <groupId>io.github.waterfallmc</groupId>
     <artifactId>waterfall-api</artifactId>
-    <version>1.20-R0.1-SNAPSHOT</version>
+    <version>1.20-R0.3-SNAPSHOT</version>
     <scope>provided</scope>
 </dependency>
  ```
@@ -62,7 +62,7 @@ repositories {
  * Artifact:
 ```groovy
 dependencies {
-    compileOnly 'io.github.waterfallmc:waterfall-api:1.20-R0.1-SNAPSHOT'
+    compileOnly 'io.github.waterfallmc:waterfall-api:1.20-R0.3-SNAPSHOT'
 }
 ```