chore: Handle too big CH payloads for caching

[sigua-cs]

Implements https://github.com/ContentSquare/chproxy/issues/143

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[sigua-cs]

I need to update the proxy.go according the latest fix version

[gontarzpawel]

I also don't think distinguishing http vs https is necessary in tests. It's enough to test one given we're interested in checking for if max payload size is exceeded or not @sigua-cs

[sigua-cs]

I also don't think distinguishing http vs https is necessary in tests. It's enough to test one given we're interested in checking for if max payload size is exceeded or not @sigua-cs

Removed HTTP tests. Only HTTPS will be used