Get purejavacomm 1.0.4 in CI too

.github/workflows/maven.yml

@@ -15,12 +15,24 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up JDK 11
-      uses: actions/setup-java@v3
+    - uses: actions/checkout@v4
+    - name: Set up JDK 
+      uses: actions/setup-java@v4
       with:
-        java-version: '11'
+        java-version: '17'
         distribution: 'temurin'
         cache: maven
+    - uses: actions/checkout@v4
+      with:
+        repository: 'nyholku/purejavacomm'
+        ref: 'dafb39722f797289b84b11e0184ef896f1f76c1e'
+    - name: Install purejavacomm
+      working-directory: purejavacomm
+      run: mvn install -DskipTests=true
+
     - name: Build with Maven
       run: mvn -B package --file pom.xml
+
+    # Optional: Uploads the full dependency graph to GitHub to improve the quality of Dependabot alerts this repository can receive
+    - name: Update dependency graph
+      uses: advanced-security/maven-dependency-submission-action@571e99aab1055c2e71a1e2309b9691de18d6b7d6