[no-relnote] Define golang version in Dockefile

This change adds logic to extract the golang version from a Dockefile.
This allows us to trigger golang updates using dependabot.

Signed-off-by: Evan Lezar <elezar@nvidia.com>

hack/golang-version.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# Copyright 2024 NVIDIA CORPORATION
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+SCRIPTS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/../scripts && pwd )"
+
+DOCKERFILE_ROOT=${SCRIPTS_DIR}/../deployments/container
+
+GOLANG_VERSION=$(grep -E "^FROM golang:.*$" ${DOCKERFILE_ROOT}/Dockerfile.golang | grep -oE "[0-9\.]+")
+
+echo $GOLANG_VERSION