Add Kotlin matrix for dependant build

Author: cowtowncoder

.github/workflows/dep_build.yml

@@ -10,12 +10,14 @@ permissions:
 
 jobs:
   build:
-    # Do we want wide matrix build? For now, limited
+    # Do we want wide matrix build? For now, more limited
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
         java_version: ['8', '17', '21']
+	# Versions need to align with ones in 'main.yml' workflow
+        kotlin_version: ['1.7.22', '1.8.10', '1.9.23', '2.0.0-Beta4']
         os: ['ubuntu-22.04']
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
@@ -28,6 +30,6 @@ jobs:
         java-version: ${{ matrix.java_version }}
         cache: 'maven'
     - name: Build and test
-      run: ./mvnw -B -ff -ntp clean verify
+      run: ./mvnw -B -ff -ntp -Dversion.kotlin=${{ matrix.kotlin_version }} clean verify
 
 # No recursive rebuild (yet?)