Fix typing errors.

Author: markstory

phpstan.neon

@@ -37,8 +37,3 @@ parameters:
             message: "#^Else branch is unreachable because ternary operator condition is always true\\.$#"
             count: 2
             path: src/Middleware/AuthenticationMiddleware.php
-
-        -
-            message: "#^Method Authentication\\\\UrlChecker\\\\DefaultUrlChecker\\:\\:check\\(\\) has parameter \\$urls with no typehint specified\\.$#"
-            count: 1
-            path: src/UrlChecker/DefaultUrlChecker.php

src/Authenticator/HttpDigestAuthenticator.php

@@ -230,7 +230,7 @@ protected function loginHeaders(ServerRequestInterface $request): array
                 $v = $v ? 'true' : 'false';
                 $opts[] = sprintf('%s=%s', $k, $v);
             } else {
-                $opts[] = sprintf('%s="%s"', $k, $v);
+                $opts[] = sprintf('%s="%s"', $k, (string)$v);
             }
         }