Merge branch 'master' into active-health-redirect-origin-policy

modules/caddyhttp/reverseproxy/reverseproxy.go

@@ -655,7 +655,7 @@ func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyht
 		if randErr != nil {
 			return randErr
 		}
-		clonedReq.Header.Del("Sec-WebSocket-Key")
+		clonedReq.Header.Del("Sec-WebSocket-Key")                                                //nolint:canonicalheader // RFC 6455 casing, see normalizeWebsocketHeaders
 		clonedReq.Header["Sec-WebSocket-Key"] = []string{base64.StdEncoding.EncodeToString(key)} //nolint:canonicalheader // RFC 6455 casing, see normalizeWebsocketHeaders
 	}