Update java version in actions

Add temurin and zulu distribution to matrix
Allow running build action on workflow_dispatch

.github/workflows/build.yml

@@ -4,15 +4,19 @@
 # against bad commits.
 
 name: build
-on: [pull_request, push]
+on: [pull_request, push, workflow_dispatch]
 
 jobs:
   build:
     strategy:
       matrix:
+        distribution: [
+          temurin,
+          zulu
+        ]
         # Use these Java versions
         java: [
-          16  # Minimum supported by Minecraft
+          17  # Minimum supported by Minecraft
         ]
         # and run on both Linux and Windows
         os: [ubuntu-20.04, windows-latest]
@@ -25,14 +29,15 @@ jobs:
       - name: setup jdk ${{ matrix.java }}
         uses: actions/setup-java@v1
         with:
+          distribution: ${{ matrix.distribution }}
           java-version: ${{ matrix.java }}
       - name: make gradle wrapper executable
         if: ${{ runner.os != 'Windows' }}
         run: chmod +x ./gradlew
       - name: build
         run: ./gradlew build
       - name: capture build artifacts
-        if: ${{ runner.os == 'Linux' && matrix.java == '16' }} # Only upload artifacts built from LTS java on one OS
+        if: ${{ runner.os == 'Linux' && matrix.java == '17' }} # Only upload artifacts built from LTS java on one OS
         uses: actions/upload-artifact@v2
         with:
           name: Artifacts