Fix shell script syntax in error handling block in makefile-lint.yml

[coderabbitai]

As per this comment in PR #184, we need to fix the shell script syntax in the error handling block in .github/workflows/makefile-lint.yml. This work will be performed on a development branch first and released in a future PR/MR.

Requested by @reactive-firewall.

[coderabbitai]

To track this work, we need to address the shell script syntax in the error handling block of the .github/workflows/makefile-lint.yml file.

As discussed in PR #184 (comment link), improving the syntax will enhance readability and fix syntax issues in the error handling block.

This comment serves to monitor progress on this issue.