add tests/benchmarks for http1/http2 tcp tunnels and http1 websockets (#5471)

* add tests/benchmarks for http1/http2 tcp tunnels and http1 websockets

testenv:
- add new TCP upstream
- add websocket functions to HTTP upstream
- add https support to mock idp (default on)
- add new debug flags -env.bind-address and -env.use-trace-environ to
  allow changing the default bind address, and enabling otel environment
  based trace config, respectively

* linter pass

---------

Co-authored-by: Denis Mishin <dmishin@pomerium.com>

pkg/storage/postgres/tracing_test.go

@@ -48,7 +48,7 @@ func TestQueryTracing(t *testing.T) {
 		snippets.WaitStartupComplete(env)
 
 		resp, err := up.Get(route, upstreams.AuthenticateAs("user@example.com"), upstreams.Path("/foo"))
-		assert.NoError(t, err)
+		require.NoError(t, err)
 		io.ReadAll(resp.Body)
 		resp.Body.Close()