More workflow updates

Author: noelwelsh

.github/workflows/ci.yml

@@ -30,33 +30,13 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Download Java (temurin@11)
-        id: download-java-temurin-11
-        if: matrix.java == 'temurin@11'
-        uses: typelevel/download-java@v1
-        with:
-          distribution: temurin
-          java-version: 11
-
       - name: Setup Java (temurin@11)
         if: matrix.java == 'temurin@11'
-        uses: actions/setup-java@v2
-        with:
-          distribution: jdkfile
-          java-version: 11
-          jdkFile: ${{ steps.download-java-temurin-11.outputs.jdkFile }}
-
-      - name: Cache sbt
-        uses: actions/cache@v4
+        uses: actions/setup-java@v4
         with:
-          path: |
-            ~/.sbt
-            ~/.ivy2/cache
-            ~/.coursier/cache/v1
-            ~/.cache/coursier/v1
-            ~/AppData/Local/Coursier/Cache/v1
-            ~/Library/Caches/Coursier/v1
-          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
+          distribution: 'temurin'
+          java-version: '21'
+          cache: 'sbt'
 
       - name: Generate site
         run: sbt '++${{ matrix.scala }}' build