Change the NuGet publish to use Ubuntu

- Path issues with Windows.
- Add manual trigger event for Web Hook triggering of build, publish and test.

Author: sondreb

.github/workflows/build.yml

@@ -4,6 +4,8 @@ on:
   push:
     branches:
       - master
+  repository_dispatch:
+    types: [build]
 
 jobs:
 

.github/workflows/publish-release.yml

@@ -10,7 +10,7 @@ jobs:
 
   publishPackages:
 
-    runs-on: windows-latest
+    runs-on: ubuntu-latest
 
     env:
       SOLUTION_PATH: 'src/Blockcore.sln'
@@ -25,7 +25,7 @@ jobs:
       with:
         dotnet-version: '3.1.101' 
 
-    - name: Setup NuGet.exe
+    - name: Setup NuGet
       uses: NuGet/setup-nuget@v1.0.2
 
     # - name: Set GITHUB_OWNER

.github/workflows/test.yml

@@ -3,6 +3,8 @@ name: Test
 on: 
   schedule:
     - cron:  '0 3 * * *'
+  repository_dispatch:
+    types: [test]
 
 jobs: