fix(ci): correct pnpm dlx syntax in socket-auto-pr workflow

Update socket-auto-pr workflow to use proper pnpm dlx syntax with
--package flag and correct binary name "socket" instead of incorrect
package name as binary.

Author: jdalton

.github/workflows/socket-auto-pr.yml

@@ -89,4 +89,4 @@ jobs:
             GLOB_FLAG="--glob '${{ inputs.glob-pattern }}'"
           fi
 
-          pnpm dlx @socketsecurity/cli fix $AUTOPILOT_FLAG $GLOB_FLAG
+          pnpm --package=@socketsecurity/cli dlx socket fix $AUTOPILOT_FLAG $GLOB_FLAG