Add restore step for matrix projects in CI workflow

Author: JDetmar

.github/workflows/ci.yml

@@ -94,6 +94,9 @@ jobs:
       with:
         name: build-output
 
+    - name: Restore ${{ matrix.project }}
+      run: dotnet restore src\${{ matrix.project }}
+
     - name: Pack ${{ matrix.project }}
       run: dotnet pack src\${{ matrix.project }} -c Release --no-build -p:IncludeSymbols=true -p:SymbolPackageFormat=snupkg -p:ContinuousIntegrationBuild=true -p:EmbedUntrackedSources=true -p:PublishRepositoryUrl=true --verbosity minimal