specify files to sign

Author: baileympearson

Diff for: .github/workflows/release.yml

@@ -47,7 +47,8 @@ jobs:
           npm_package_name: mongodb-client-encryption
 
       - run: |
-          FILENAMES="build-*/*.tar.gz ${{ env.package_file }}"
+          FILENAMES=build-*/*.tar.gz
+          FILENAMES="$FILENAMES ${{ env.package_file }}"
           echo "FILES FILES"
           echo $FILENAMES
           echo "FILES_TO_SIGN=${FILENAMES}" >> "$GITHUB_ENV"