fix(deps): update github.com/shortlink-org/go-sdk/http digest to ce2c639

Author: renovate[bot]

observability/go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/heptiolabs/healthcheck v0.0.0-20211123025425-613501dd5deb
 	github.com/prometheus/client_golang v1.23.2
 	github.com/shortlink-org/go-sdk/config v0.0.0-20251121191713-160ea5dd70ad
-	github.com/shortlink-org/go-sdk/http v0.0.0-20251108145352-f59577605d0a
+	github.com/shortlink-org/go-sdk/http ce2c639c8b61
 	github.com/shortlink-org/go-sdk/logger v0.0.0-20251108203914-f363e5ad1155
 	go.opentelemetry.io/otel v1.38.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.38.0