windows files requires extension

Author: umbynos

.github/workflows/release.yml

@@ -116,7 +116,7 @@ jobs:
         if: matrix.operating-system == 'macos-10.15'
 
       - name: Create autoupdate files
-        run: go-selfupdate arduino-create-agent${{ matrix.ext }} ${TAG_VERSION} # this will create `public/` dir with compressed full bin (<version>/<os>-<arch>.gz) and a json file
+        run: go-selfupdate${{ matrix.ext }} arduino-create-agent${{ matrix.ext }} ${TAG_VERSION} # this will create `public/` dir with compressed full bin (<version>/<os>-<arch>.gz) and a json file
         # if: steps.prerelease.outputs.IS_PRE != 'true'
 
       - name: Upload autoupdate files to Arduino downloads servers