Ping numpy to 1.24.3 (#908)

Jax-Core container fails to build with Recently released numpy 2. Pin
numpy to 1.26.2 until TF adds support for numpy 2.

.github/container/Dockerfile.jax

@@ -34,6 +34,7 @@ RUN --mount=type=ssh \
     --mount=type=secret,id=SSH_KNOWN_HOSTS,target=/root/.ssh/known_hosts \
 <<"EOF" bash -ex
     git-clone.sh ${URLREF_JAX} ${SRC_PATH_JAX}
+    sed 's/^numpy.*/numpy<2.0.0/' ${SRC_PATH_JAX}/build/requirements.in
     git-clone.sh ${URLREF_XLA} ${SRC_PATH_XLA}
 EOF
 
@@ -90,6 +91,7 @@ RUN mkdir -p /opt/pip-tools.d
 RUN <<"EOF" bash -ex
 echo "-e file://${BUILD_PATH_JAXLIB}" > /opt/pip-tools.d/requirements-jax.in
 echo "-e file://${SRC_PATH_JAX}" >> /opt/pip-tools.d/requirements-jax.in
+echo "numpy<2.0.0" >> /opt/pip-tools.d/requirements-jax.in
 EOF
 
 ## Flax