Migrate to ESLint 9.x

[MikeMcC399]

Issue

eslint@^8.44.0, configured in package.json, reached end-of-life on Oct 5, 2024. The supported current release line is ESLint 9.x.

Suggestion

• Migrate to a supported ESLint version (9.x or later, if a newer version is released).

Related

• Migrate away from deprecated eslint-config-react-app #1576
• Multiple ESLint failures #1547

[MikeMcC399]

• PR test(deps): reconfigure for ESLint v9 #1643 resolves this issue