Merge pull request #3999 from LeKeve/lighthouse-trailing-slash

fix(lighthouse plugin): Remove trailing slash from lighthouse audit urls

.changeset/brave-boats-greet.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-lighthouse': patch
+---
+
+Strip trailing slash from url when creating a new audit. This change prevents duplicate audits from being displayed in the audit list.

plugins/lighthouse/src/components/CreateAudit/index.tsx

@@ -79,7 +79,7 @@ export const CreateAuditContent = () => {
       // TODO use the id from the response to redirect to the audit page for that id when
       // FAILED and RUNNING audits are supported
       await lighthouseApi.triggerAudit({
-        url,
+        url: url.replace(/\/$/, ''),
         options: {
           lighthouseConfig: {
             settings: {