All current issues are for single quoted items

Shellcheck seems to ignore annotations in the files. For now globally
ignore these issues.

Author: vmcj

.github/workflows/shellcheck.yml

@@ -11,4 +11,4 @@ jobs:
       - name: Run ShellCheck
         uses: ludeeus/action-shellcheck@master
         env:
-          SHELLCHECK_OPTS: -e SC1090
+          SHELLCHECK_OPTS: -e SC1090 -e SC2086 -e SC2046