Update router middleware

Signed-off-by: Lukasz Gryglicki <lgryglicki@cncf.io>

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Author: lukaszgryglicki

cla-backend-legacy/internal/api/router.go

@@ -15,6 +15,7 @@ import (
 func NewRouter(h *Handlers) http.Handler {
 	r := chi.NewRouter()
 	r.Use(chimw.Recoverer)
+	r.Use(chimw.StripSlashes)
 	// Legacy-style logging lines for request paths (used by existing log rollups).
 	r.Use(middleware.RequestLog)
 	r.Use(middleware.CORS)
@@ -219,7 +220,6 @@ func RegisterRoutes(r chi.Router, h *Handlers) {
 		r.Post("/send-authority-email", h.SendAuthorityEmailV2)
 
 		r.Get("/repository-provider/{provider}/sign/{installation_id}/{github_repository_id}/{change_request_id}", h.SignRequestV2)
-		r.Get("/repository-provider/{provider}/sign/{installation_id}/{github_repository_id}/{change_request_id}/", h.SignRequestV2)
 
 		r.Get("/repository-provider/{provider}/oauth2_redirect", h.Oauth2RedirectV2)