Release v0.10.2

[bourgeoisor]

This PR releases Online Boutique v0.10.2.

Draft release notes: https://github.com/GoogleCloudPlatform/microservices-demo/releases/edit/untagged-eb29a81d2b813a8e28dd

• [x] Tests all passing
• [x] Deploy on testing environment (http://34.67.254.222/)
• [x] Deploy on production environment (https://cymbal-shops.retail.cymbal.dev/)
• [x] Update tags
• [x] Merge PR
• [x] Publish release notes
• [ ] Announce the release

[github-actions[bot]]

🚲 PR staged at http://34.57.226.28