initial 1.21.1 branching

Author: devpikachu

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -21,6 +21,7 @@ body:
       label: Minecraft version
       description: What version of Minecraft are you running?
       options:
+        - 1.21.1
         - 1.20.1
         - Other (specify below)
     validations:

.github/advanced-issue-labeler.yml

@@ -3,6 +3,8 @@ policy:
     section:
       - id: [minecraftVersion]
         label:
+          - name: 1.21.1
+            keys: [1.21.1]
           - name: 1.20.1
             keys: [1.20.1]
 

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup Java
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: temurin
 
       - name: Setup Gradle
@@ -38,7 +38,7 @@ jobs:
       - name: Setup Java
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: temurin
 
       - name: Generate dependency graph

.github/workflows/publish.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Setup Java
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: temurin
 
       - name: Setup Gradle