Build and attach deb package

.github/workflows/build-linux.yml

@@ -15,6 +15,10 @@ on:
         description: 'Skip running unit tests'
         required: false
         default: true
+    outputs:
+      version:
+        description: "The Libation version number"
+        value: ${{ jobs.build.outputs.version }}
 
 env:
   DOTNET_CONFIGURATION: 'Release'
@@ -23,6 +27,8 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.get_version.outputs.version }}
     strategy:
       matrix:
         os: [Linux, MacOS]