fix(deps): update module github.com/stretchr/testify to v1.10.0 (#15091)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Paul Rogers <paul.rogers@grafana.com>

Author: renovate[bot]

nix/packages/loki.nix

@@ -5,7 +5,7 @@ let
     pname = "lambda-promtail";
 
     src = ./../../tools/lambda-promtail;
-    vendorHash = "sha256-6soQ9GaQSvxg3ivJHFZbqye7+TF8XLJuylOZz+Zjal0=";
+    vendorHash = "sha256-d4EMPbUuw3m+M/9lkxQOJGhN8qvvmeoIwfBGJX1Xrl8=";