GitHub secret scanning alerts

• https://docs.github.com/en/code-security/secret-scanning/about-secret-scanning
• https://docs.github.com/en/code-security/secret-scanning/managing-alerts-from-secret-scanning

Secrets: Kubernetes secrets, ansible-vault, Hashicorp Vault, AWS Secrets Manager, Google Secret Manager, git-crypt, SOPS: Secrets OPerationS, Google Cloud Secret Manager, GitHub secret scanning alerts