ci: set the body-max-line-length rule in commitlint as a warning rather than an error

Author: Deyang-Dai

commitlint.config.js

@@ -1,5 +1,6 @@
 module.exports = {
     extends: ['@commitlint/config-conventional'],
+    ignores: [(message) => /^Bumps \[.+]\(.+\) from .+ to .+\.$/m.test(message)],
     rules: {
         'body-max-line-length': [2, 'always', 140],
     },