[blog] Spring starter stable (#4937)

Co-authored-by: opentelemetrybot <[email protected]>
Co-authored-by: Severin Neumann <[email protected]>
Co-authored-by: Fabrizio Ferri-Benedetti <[email protected]>
Co-authored-by: Jean Bisutti <[email protected]>
Co-authored-by: Trask Stalnaker <[email protected]>

Author: 6 people