Exclude transcrypt_bashlib.sh from shfmt linting checks

Author: jmurty

.github/workflows/run-bats-core-tests.yml

@@ -20,7 +20,7 @@ jobs:
     - name: Run shellcheck and shfmt
       uses: luizm/action-sh-checker@master
       with:
-        sh_checker_exclude: "tests example"
+        sh_checker_exclude: "tests example transcrypt_bashlib.sh"
         sh_checker_comment: true
 
   test: