Update release publish script

Author: Rampastring

.github/workflows/release_publish.yml

@@ -23,7 +23,7 @@ jobs:
       shell: pwsh
 
     - name: Pack compiled binaries
-      run: 7z a -tzip -r WorldAlteringEditor_TiberianSun.zip "%GITHUB_WORKSPACE%\WorldAlteringEditor\Build\*.*"
+      run: 7z a -tzip -r WorldAlteringEditor_TiberianSun.zip "$env:GITHUB_WORKSPACE\Build\*.*"
 
     - name: Upload compiled binaries
       uses: actions/upload-release-asset@v1
@@ -54,7 +54,7 @@ jobs:
       shell: pwsh
 
     - name: Pack compiled binaries
-      run: 7z a -tzip -r WorldAlteringEditor_YurisRevenge.zip "%GITHUB_WORKSPACE%\WorldAlteringEditor\Build\*.*"
+      run: 7z a -tzip -r WorldAlteringEditor_YurisRevenge.zip "$env:GITHUB_WORKSPACE\Build\*.*"
 
     - name: Upload compiled binaries
       uses: actions/upload-release-asset@v1