Get package based on kernel version

Author: hgreebe

cookbooks/aws-parallelcluster-platform/resources/install_packages/install_packages_rocky8.rb

@@ -28,7 +28,7 @@
     package="#{kernel_source_package}-#{kernel_source_package_version}"
 
     # try to install kernel source for a specific release version
-    dnf install -y ${package} --releasever #{node['platform_version']}
+    dnf install -y ${package} --releasever #{node['kernel']['machine']}
     if [ $? -ne 0 ]; then
       # Previous releases are moved into a vault area once a new minor release version is available for at least a week.
       # https://wiki.rockylinux.org/rocky/repo/#notes-on-devel