correct typo with linux build number

Author: schambers

.github/workflows/release.yml

@@ -142,9 +142,8 @@ jobs:
       - name: Get version from tag
         if: startsWith(github.ref, 'refs/tags/')
         run: |
-          $VERSION = "$env:GITHUB_REF" -replace "refs/tags/v", ""
-          echo "VERSION=$VERSION" >> $env:GITHUB_ENV
-          echo "Set VERSION to: $VERSION"
+          VERSION="${GITHUB_REF#refs/tags/v}"
+          echo "VERSION=$VERSION" >> $GITHUB_ENV
 
       - name: Install build deps
         run: |