ci: Update s390x config

* Bump to debian:bookworm to avoid crash in the zmq functional test
  (bitcoind: line 2: 33011 Illegal instruction     (core dumped)
  qemu-s390x)
* Remove RUN_UNIT_TESTS=true, because it is the default
* Add TEST_RUNNER_EXTRA --exclude to skip failing tests

ci/test/00_setup_env_s390x.sh

@@ -18,9 +18,9 @@ if [ -n "$QEMU_USER_CMD" ]; then
 fi
 # Use debian to avoid 404 apt errors
 export CONTAINER_NAME=ci_s390x
-export DOCKER_NAME_TAG="debian:buster"
-export RUN_UNIT_TESTS=true
+export DOCKER_NAME_TAG="debian:bookworm"
 export TEST_RUNNER_ENV="LC_ALL=C"
+export TEST_RUNNER_EXTRA="--exclude rpc_bind,feature_bind_extra"  # Excluded for now, see https://github.com/bitcoin/bitcoin/issues/17765#issuecomment-602068547
 export RUN_FUNCTIONAL_TESTS=true
 export GOAL="install"
 export BITCOIN_CONFIG="--enable-reduce-exports --with-incompatible-bdb"