chore(deps): update @oclif/core to v4 and @adobe/eslint-config-aio-lib-config to v5 (#793)

- closes #792
- chore(deps): update @oclif/core to v4 and @adobe/eslint-config-aio-lib-config to v5
- Update @oclif/core from 2.16.0 to ^4.9.0
- Update @oclif/plugin-not-found from ^2.3.26 to ^3 (required for core v4)
- Replace Config.plugins array access with Config.getPluginsList() (plugins is now a Map in v4)
- Replace removed ux.table() with a new src/table.js helper using the same column API
- Update @adobe/eslint-config-aio-lib-config from ^4.0.0 to ^5.0.0 (ESLint 9 + neostandard)
- Migrate ESLint config from legacy .eslintrc.json files to flat config (eslint.config.js)
- Update eslint from ^8 to ^9, swap old standard plugins for neostandard
- Update eslint-plugin-jest from ^27 to ^28 for ESLint 9 compatibility
- Update test mocks to add getPluginsList() and runHook() required by oclif core v4
- chore(ci): drop Node.js 18.x from CI matrix Node.js 18 reached EOL in April 2025.
- fix(table): use string-width for ANSI-aware column width and padding
- fix(table): remove unused strip-ansi direct dependency

Author: shazron

.eslintrc.json

@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node: [18, 20, 22, 24]
+        node: [20, 22, 24]
         os: [ubuntu-latest]
 
     steps:

.github/workflows/daily-install-cli.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 22.x, 24.x]
+        node-version: [20.x, 22.x, 24.x]
         os: [ubuntu-latest, windows-latest]
 
     steps:

.github/workflows/node.js.yml

@@ -0,0 +1,21 @@
+const aioLibConfig = require('@adobe/eslint-config-aio-lib-config')
+const jestPlugin = require('eslint-plugin-jest')
+
+module.exports = [
+  ...aioLibConfig,
+  {
+    files: ['test/**/*.js', 'e2e/**/*.js'],
+    ...jestPlugin.configs['flat/recommended'],
+    languageOptions: {
+      ...jestPlugin.configs['flat/recommended'].languageOptions,
+      globals: {
+        ...jestPlugin.configs['flat/recommended'].languageOptions.globals,
+        setFetchMock: true
+      }
+    },
+    rules: {
+      ...jestPlugin.configs['flat/recommended'].rules,
+      'n/no-unpublished-require': 0
+    }
+  }
+]