Comment 5 for bug 1970888

I believe we can mark this as Fix Committed.

commit f55055b8783ca6f3f569209b4f82285377f5ac64
Author: Martin Kalcok <email address hidden>
Date: Fri Feb 11 15:13:41 2022 +0100

    Implement cert cache for vault units (v2)

    This cache is used to store certificates and keys
    issued by the leader unit. Non-leader units read
    these certificates and keep data in their
    "tls-certificates" relations up to date.
    This ensures that charm units that receive certs
    from vault can read from relation data of any
    vault unit and receive correct data.

    This patch is the same as
    1159e547dd755af97d5eab578cdfe90abad93843
    but improved to avoid LP#1970888

    Change-Id: Ic4dd009cc18c52e1667391b00ebba9928acc5937
    Closes-Bug: #1940549
    Closes-Bug: #1970888