Fix binary path in CLI update workflow

Signed-off-by: itowlson <[email protected]>

Author: itowlson

.github/workflows/update-cli-reference.yml

@@ -1,4 +1,4 @@
-name: Bump Spin
+name: Update CLI reference
 
 on:
   workflow_dispatch:
@@ -31,7 +31,7 @@ jobs:
           EOF
 
       - name: Generate reference doc
-        run: ./spin maintenance generate-reference >>cli-reference.md
+        run: spin maintenance generate-reference >>cli-reference.md
 
       - name: Import GPG key
         uses: crazy-max/ghaction-import-gpg@v6