Update alloc limts

Author: glbrntt

.github/workflows/ci.yaml

@@ -56,7 +56,7 @@ jobs:
           - image: swift:5.6-focal
             env:
               MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_10_requests: 429000
-              MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_1_request: 177000
+              MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_1_request: 176000
               MAX_ALLOCS_ALLOWED_embedded_server_bidi_1k_rpcs_10_small_requests: 110000
               MAX_ALLOCS_ALLOWED_embedded_server_bidi_1k_rpcs_1_small_request: 65000
               MAX_ALLOCS_ALLOWED_embedded_server_unary_1k_rpcs_1_small_request: 61000