Update dependency netlify-cms to v1.9.3

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
netlify-cms (source)	`1.9.1` -> `1.9.3`

Release Notes

netlify/netlify-cms (netlify-cms)

### [`v1.9.3`](https://redirect.github.com/netlify/netlify-cms/blob/HEAD/CHANGELOG.md#193-July-3-2018-demo) [Compare Source](https://redirect.github.com/netlify/netlify-cms/compare/1.9.2...1.9.3) Fix numbers in TOML output ### [`v1.9.2`](https://redirect.github.com/netlify/netlify-cms/blob/HEAD/CHANGELOG.md#192-June-15-2018-demo) [Compare Source](https://redirect.github.com/netlify/netlify-cms/compare/1.9.1...1.9.2) Fix test repo crash

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

[ ] If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

any of the package files in this branch needs updating, or
the branch becomes conflicted, or
you click the rebase/retry checkbox if found above, or
you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: package-lock.json

npm WARN old lockfile 
npm WARN old lockfile The package-lock.json file was created with an old version of npm,
npm WARN old lockfile so supplemental metadata must be fetched from the registry.
npm WARN old lockfile 
npm WARN old lockfile This is a one-time fix-up, please be patient...
npm WARN old lockfile 
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR! 
npm ERR! While resolving: gatsby-starter-netlify-cms@1.1.3
npm ERR! Found: react@16.14.0
npm ERR! node_modules/react
npm ERR!   react@"^16.2.0" from the root project
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! peer react@"18.x" from @gatsbyjs/reach-router@2.0.1
npm ERR! node_modules/@gatsbyjs/reach-router
npm ERR!   peer @gatsbyjs/reach-router@"^2.0.0" from gatsby-link@5.7.0
npm ERR!   node_modules/gatsby-link
npm ERR!     gatsby-link@"^5.0.0" from the root project
npm ERR! 
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR! 
npm ERR! 
npm ERR! For a full report see:
npm ERR! /tmp/renovate-cache/others/npm/_logs/2023-03-15T19_22_49_532Z-eresolve-report.txt

npm ERR! A complete log of this run can be found in:
npm ERR!     /tmp/renovate-cache/others/npm/_logs/2023-03-15T19_22_49_532Z-debug-0.log

nunhes / gatsby-starter-netlify-cms