Update conformance to v1.0.4 (#302)

Updates to
https://github.com/connectrpc/conformance/releases/tag/v1.0.4.

This validates the fix in
#298 for
#292 as well.

Signed-off-by: Michael Rebello <[email protected]>

Author: rebello95

Makefile

@@ -8,8 +8,8 @@ MAKEFLAGS += --no-builtin-rules
 MAKEFLAGS += --no-print-directory
 BIN := .tmp/bin
 LICENSE_HEADER_YEAR_RANGE := 2022-2024
-CONFORMANCE_PROTO_REF := dfa2dd3e064de6ce56423c569804475e190b4445
-CONFORMANCE_RUNNER_TAG := v1.0.3
+CONFORMANCE_PROTO_REF := 9cb891ae36142a8a19c76f1e8a615b6d41fb726b
+CONFORMANCE_RUNNER_TAG := v1.0.4
 EXAMPLES_PROTO_REF := e74547031f662f81a62f5e95ebaa9f7037e0c41b
 LICENSE_HEADER_VERSION := v1.35.1
 LICENSE_IGNORE := -e Package.swift \