Use Appropriate releases for nuget updates (#142)

***NO_CI***

.github/workflows/update-dependencies.yml

@@ -17,7 +17,7 @@ defaults:
     shell: pwsh
 
 jobs:
-  update-dotnet-preview:
+  update-nuget-dependencies:
     name: Update .NET nanoFramework dependencies
     timeout-minutes: 60 # Non default as IoT devices has lots of solutions to update!
     runs-on: windows-latest
@@ -32,7 +32,7 @@ jobs:
           repository: nanoframework/nf-tools
           path: tools
       - name: Update dependencies
-        run: ./github-actions/update-nf-dependencies.ps1 prerelease devices
+        run: ./github-actions/update-nf-dependencies.ps1 -targetPath devices
         working-directory: tools
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v3