fix(webhook): prevent tag events from bypassing branch filters targets (#35567) (#35577)

Backport #35567 by Exgene

Co-authored-by: Kausthubh J Rao <105716675+Exgene@users.noreply.github.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: silverwind <me@silverwind.io>

web_src/css/form.css

@@ -218,11 +218,16 @@ textarea:focus,
 
 .form .help {
   color: var(--color-secondary-dark-5);
+  margin-top: 0.25em;
   padding-bottom: 0.6em;
   display: inline-block;
   text-wrap: balance;
 }
 
+.form .help code {
+  color: var(--color-text-light-1);
+}
+
 .m-captcha-style {
   width: 100%;
   height: 5em;