Always set up JDK 11 and 24 for CI

.github/workflows/ci.yml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 06f89f3..bb5caa9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,6 +52,18 @@
           access_token: ${{ github.token }}
       - name: 'Check out repository'
         uses: actions/checkout@v3
+      - name: 'Set up JDK 11'
+        uses: actions/setup-java@v4
+        with:
+          java-version: 11
+          distribution: 'zulu'
+          cache: 'maven'
+      - name: 'Set up JDK 24 from jdk.java.net'
+        uses: oracle-actions/setup-java@v1
+        with:
+          website: jdk.java.net
+          release: 24
+          cache: 'maven'
       - name: 'Set up JDK ${{ matrix.java }} from jdk.java.net'
         if: ${{ matrix.java == 'EA' }}
         uses: oracle-actions/setup-java@v1
@@ -63,9 +75,7 @@
         if: ${{ matrix.java != 'EA' }}
         uses: actions/setup-java@v4
         with:
-          java-version: |
-            11
-            ${{ matrix.java }}
+          java-version: ${{ matrix.java }}
           distribution: 'zulu'
           cache: 'maven'
       - name: 'Install'