Add dotnet tool restore to local CI.

.github/workflows/codeql-analysis.yml

@@ -56,7 +56,9 @@ jobs:
     #    uses a compiled language
 
     - run: |
-       dotnet build csharp
+       cd csharp
+       dotnet tool restore
+       dotnet build .
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@main

.github/workflows/csharp-qltest.yml

@@ -81,10 +81,11 @@ jobs:
           dotnet-version: 8.0.101
       - name: Extractor unit tests
         run: |
+          dotnet tool restore
           dotnet test -p:RuntimeFrameworkVersion=8.0.1 extractor/Semmle.Util.Tests
           dotnet test -p:RuntimeFrameworkVersion=8.0.1 extractor/Semmle.Extraction.Tests
           dotnet test -p:RuntimeFrameworkVersion=8.0.1 autobuilder/Semmle.Autobuild.CSharp.Tests
-          dotnet test -p:RuntimeFrameworkVersion=8.0.1 "${{ github.workspace }}/csharp/autobuilder/Semmle.Autobuild.Cpp.Tests"
+          dotnet test -p:RuntimeFrameworkVersion=8.0.1 autobuilder/Semmle.Autobuild.Cpp.Tests
         shell: bash
   stubgentest:
     runs-on: ubuntu-latest

csharp/scripts/create-extractor-pack.sh

@@ -24,6 +24,7 @@ function dotnet_publish {
   dotnet publish --self-contained --configuration Release --runtime ${dotnet_platform} -p:RuntimeFrameworkVersion=8.0.1 $1 --output extractor-pack/tools/${platform}
 }
 
+dotnet tool restore
 dotnet_publish extractor/Semmle.Extraction.CSharp.Standalone
 dotnet_publish extractor/Semmle.Extraction.CSharp.Driver
 dotnet_publish autobuilder/Semmle.Autobuild.CSharp