shellcheck: Update fragment

Signed-off-by: 林博仁(Buo-ren Lin) <Buo.Ren.Lin@gmail.com>

Author: brlin-tw

fragments/shellcheck.pre-commit-config.yaml

@@ -1,6 +1,8 @@
 # Check shell scripts with ShellCheck
 # NOTE: ShellCheck must be available in the command search PATHs
+# https://www.shellcheck.net/
+# https://github.com/jumanjihouse/pre-commit-hooks#shellcheck
 - repo: https://github.com/jumanjihouse/pre-commit-hooks
- rev: 2.0.0
+ rev: 2.1.5
  hooks:
  - id: shellcheck