workflows/kata-runtime-classes-sync: move checker to a script

Created the tools/packaging/kata-deploy/local-build/check-runtimeclasses.sh
script and adjusted the worfklow to call it. This way developers can run
the checker locally more easily.

Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>

.github/workflows/kata-runtime-classes-sync.yaml

@@ -18,19 +18,4 @@ jobs:
       uses: actions/checkout@v4
     - name: Ensure the split out runtime classes match the all-in-one file
       run: |
-        pushd tools/packaging/kata-deploy/runtimeclasses/
-        echo "::group::Combine runtime classes"
-        for runtimeClass in `find . -type f \( -name "*.yaml" -and -not -name "kata-runtimeClasses.yaml" \) | sort`; do
-            echo "Adding ${runtimeClass} to the resultingRuntimeClasses.yaml"
-            cat ${runtimeClass} >> resultingRuntimeClasses.yaml;
-        done
-        echo "::endgroup::"
-        echo "::group::Displaying the content of resultingRuntimeClasses.yaml"
-        cat resultingRuntimeClasses.yaml
-        echo "::endgroup::"
-        echo ""
-        echo "::group::Displaying the content of kata-runtimeClasses.yaml"
-        cat kata-runtimeClasses.yaml
-        echo "::endgroup::"
-        echo ""
-        diff resultingRuntimeClasses.yaml kata-runtimeClasses.yaml
+        ./tools/packaging/kata-deploy/local-build/check-runtimeclasses.sh

tools/packaging/kata-deploy/local-build/check-runtimeclasses.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) 2023-2024 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+set -o errexit
+set -o nounset
+set -o pipefail
+set -o errtrace
+
+pushd tools/packaging/kata-deploy/runtimeclasses/
+echo "::group::Combine runtime classes"
+for runtimeClass in `find . -type f \( -name "*.yaml" -and -not -name "kata-runtimeClasses.yaml" \) | sort`; do
+    echo "Adding ${runtimeClass} to the resultingRuntimeClasses.yaml"
+    cat ${runtimeClass} >> resultingRuntimeClasses.yaml;
+done
+echo "::endgroup::"
+echo "::group::Displaying the content of resultingRuntimeClasses.yaml"
+cat resultingRuntimeClasses.yaml
+echo "::endgroup::"
+echo ""
+echo "::group::Displaying the content of kata-runtimeClasses.yaml"
+cat kata-runtimeClasses.yaml
+echo "::endgroup::"
+echo ""
+diff resultingRuntimeClasses.yaml kata-runtimeClasses.yaml