Provide missing unzip for prepareSDK script

Author: WojciechMazur

.github/workflows/ci.yaml

@@ -769,6 +769,7 @@ jobs:
       - name: Prepare the SDKs
         shell: bash
         run : |
+          sudo apt-get update && sudo apt-get install unzip
           prepareSDK() {
             distroSuffix="$1"
             artifactId="$2"