ci: update commitlint config to be consistent with WasmEdge

Signed-off-by: Yi Huang <[email protected]>

Author: 0yi0

.commitlintrc.yml

@@ -1,3 +1,7 @@
+# https://commitlint.js.org/reference/rules-configuration.html
 ---
 extends:
   - '@commitlint/config-conventional'
+rules:
+  header-max-length: [1, 'always', 100]
+  body-max-length: [1, 'always', 100]