[otc/technical-policies] 7392c4: Add Branch policy proposal

[Tomas Mraz]

  Branch: refs/heads/master
  Home:   https://github.openssl.org/otc/technical-policies
  Commit: 7392c4e2954d1bfa1e49690cfe0c217f8f8441bc
      https://github.openssl.org/otc/technical-policies/commit/7392c4e2954d1bfa1e49690cfe0c217f8f8441bc
  Author: Tomas Mraz <tomas at openssl.org>
  Date:   2022-06-08 (Wed, 08 Jun 2022)

  Changed paths:
    A policies/branch-policy.md

  Log Message:
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  Add Branch policy proposal