HelmReleaseName uses the provided string to create a unique name. The
resulting name is DNS label safe (RFC1123) and complies with Helm's regex
for release names.
Limit the length of a string to count characters. If the string's length is
greater than count, it will be truncated and a hash will be appended to the
end.
If count is too small to include the shortened hash the string is simply
truncated.