docs: add tentacle release notes; backfill squid stable updates (#725)

## Summary
- Add **MicroCeph Tentacle** (v20.2.0) section to
`docs/snap/reference/release-notes.rst` covering core24 base,
microcluster v3 upgrade, log rotation via logrotate, and reference
architecture docs. Scope: 6 PRs that landed on `main` after squid HEAD
diverged.
- Expand the **MicroCeph Squid** section to reflect everything that
shipped on `squid/stable` after the initial v19.2.0 tag (NFS, cluster
adoption, CephFS replication, AZ support, maintenance mode,
orchestrator, DSL device matching, SSL cert modification, `waitready`,
stripingv2, msgr2 enforcement, joiner auto-detect).
- Split the squid PR list into "Squid stable updates (post-v19.2.0)" and
"Initial v19.2.0 release" so readers can tell which features came in
which drop.

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Signed-off-by: Utkarsh Bhatt <utkarsh.bhatt@canonical.com>

ci: don't put a default epic (#564)

In the interest of more transparent bug tracking don't lump all bugs
under the same parent epic anymore.

Signed-off-by: Peter Sabaini <peter.sabaini@canonical.com>

Backport mon.host entry cleanup from main to reef (#450)

# Description
Adds a patch to remove mon.host entries on mon service cleanup.

Fixes #444 

## Type of change

Please delete options that are not relevant.

- [X] Bug fix (non-breaking change which fixes an issue)

## How Has This Been Tested?
CI

## Contributor's Checklist

Please check that you have:

- [X] self-reviewed the code in this PR.
- [X] added code comments, particularly in hard-to-understand areas.
- [ ] updated the user documentation with corresponding changes.
- [ ] added tests to verify effectiveness of this change.

Signed-off-by: Utkarsh Bhatt <utkarsh.bhatt@canonical.com>

Adds custom parameters to MicroCeph Bootstrap process (#266)

Adds following Parameters to the bootstrap process:
1. `--mon-ip`
2. `--public-network`
3. `--cluster-network`

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Signed-off-by: Utkarsh Bhatt <utkarsh.bhatt@canonical.com>