chore(deps): update dependency httpx to v0.28.1

Author: renovate[bot]

apify-api/scripts/requirements.txt

@@ -8,7 +8,7 @@ colorama==0.4.6
 graphql-core==3.2.3
 h11==0.14.0
 httpcore==1.0.5
-httpx==0.27.0
+httpx==0.28.1
 hypothesis==6.104.1
 hypothesis-graphql==0.11.0
 hypothesis-jsonschema==0.23.1