[LEVEL CHANGE] Meshery Sandbox to Incubation

# Project Moving Levels Checklist

This template outlines the administrative steps required when a project moves from one maturity level to another (e.g., Sandbox to Incubating, Incubating to Graduated).

- **Project Name:** Meshery
- **New Maturity Level:** Incubation
- **Project moving levels PR:** https://github.com/cncf/toc/pull/2284

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## Administrative Checklist

- [X] TOC vote passed
- [ ] Moving levels PR merged
- [ ] Email Formation team to move the project's level in PCC. - Contributor Agreement not signed yet.
- [x] Ensure the project is in Google Group mailing lists maintainers@cncf.io
- [ ] Update the project's level and maintainer list in the aggregated [CNCF maintainer list](https://maintainers.cncf.io/). — https://github.com/cncf/foundation/pull/1522
- [x] Move the project to its new level on the [CNCF Landscape](https://github.com/cncf/landscape/blob/master/landscape.yml). — https://github.com/cncf/landscape/pull/5144
- [ ] Move the project to the new level in [Clomonitor](https://github.com/cncf/clomonitor/blob/main/data/cncf.yaml) — https://github.com/cncf/clomonitor/pull/1930
- [ ] Move the project to the new level in Devstats — https://github.com/cncf/devstats/issues/151
- [ ] Move artwork in [cncf/artwork](https://github.com/cncf/artwork) — https://github.com/cncf/artwork/pull/680
- [x] Move project in maintainer spreadsheet
- [ ] Sent email to CNCF PR team for marketing the change
- [ ] Run CNCF Calendar update automation