Fix invalid SHA pin for actions/github-script in publish workflow (#46)

The commit SHA was invalid (likely a typo — shared a 4-char prefix with
the real v7.0.1 hash). Pin to v7.1.0 instead.

Author: Aaronontheweb

.github/workflows/publish_nuget.yml

@@ -84,7 +84,7 @@ jobs:
           files: 'output/*.nupkg;output/*.snupkg'
 
     - name: Publish Release
-      uses: actions/github-script@60a0e5936f594fbea0d3df1b631a1473a628e635
+      uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b
       with:
         script: |
           await github.rest.repos.updateRelease({