Update SHA256 calculation in homebrew workflow

The code for calculating the SHA256 in the homebrew workflow has been modified. Previously, it pointed directly to the tar.gz file, but it now points to the 'asd.phar' file within the latest release's directory.

.github/workflows/homebrew.yml

@@ -51,7 +51,7 @@ jobs:
       - name: Calculate SHA256
         id: sha
         run: |
-          echo "::set-output name=sha::$(sha256sum ./${{ steps.latest_release.outputs.tag }}.tar.gz | awk '{ print $1 }')"
+          echo "::set-output name=sha::$(sha256sum ./${{ steps.latest_release.outputs.tag }}/asd.phar | awk '{ print $1 }')"
 
       - name: Update Ruby file
         run: |