Add matrix configuration

Signed-off-by: Sebastian Schildt <[email protected]>

.github/workflows/buildcheck.yml

@@ -7,10 +7,20 @@ on:
 
 jobs:
   buildtest:
+    continue-on-error: ${{ matrix.experimental }}
+    strategy:
+      matrix: # this needs to be arrays
+        vss-tools-version: [master, master]
+        experimental: [false]
+        include: # this need to be single entities
+          - vss-tools-version: v4
+            experimental: true
     name: Build Test
     runs-on: ubuntu-latest
 
     steps:
+      continue-on-error: ${{ matrix.experimental }}
+
       - uses: actions/checkout@v4
         with:
           submodules: true
@@ -23,7 +33,7 @@ jobs:
           pip install pytest
           # idlc currently used both during python test and later in this script
           pip install cyclonedds
-          pip install git+https://github.com/COVESA/vss-tools@master
+          pip install git+https://github.com/COVESA/vss-tools@${{ matrix.vss-tools-version }}
           sudo apt install -y protobuf-compiler
           echo done!