Upgrade ESLint to v9 and eslint-plugin-unicorn to v62 with flat config migration

.npmrc

@@ -7,3 +7,4 @@ bitflight-devops:registry=https://registry.npmjs.org/
 merge-git-branch-lockfiles-branch-pattern[]=main
 merge-git-branch-lockfiles-branch-pattern[]=release*
 progress=false
+legacy-peer-deps=true

README.md

@@ -127,78 +127,78 @@ This configuration will automatically regenerate your README whenever `action.ym
 <!-- start usage -->
 
 ```yaml
-- uses: bitflight-devops/github-action-readme-generator@v1.8.5
+- uses: bitflight-devops/github-action-readme-generator@v1.8.6
   with:
     # Description: The absolute or relative path to the `action.yml` file to read in
     # from.
     #
     # Default: action.yml
-    action: ''
+    action: ""
 
     # Description: The absolute or relative path to the markdown output file that
     # contains the formatting tokens within it.
     #
     # Default: README.md
-    readme: ''
+    readme: ""
 
     # Description: The GitHub Action repository owner, this field is autodetected by
     # default. Example: `bitflight-devops` or `your-gh-username`
     #
-    owner: ''
+    owner: ""
 
     # Description: The GitHub Action repository name, this field is autodetected by
     # default. Example: `github-action-readme-generator`
     #
-    repo: ''
+    repo: ""
 
     # Description: Save the provided values in a `.ghadocs.json` file. This will
     # update any existing `.ghadocs.json` file that is in place.
     #
     # Default: false
-    save: ''
+    save: ""
 
     # Description: Use `prettier` to pretty print the new README.md file
     #
     # Default: true
-    pretty: ''
+    pretty: ""
 
     # Description: Enable the update of the usage version to match the latest version
     # in the `package.json` file Output if your action repo is
     # `reviewdog/action-eslint` and version in package.json is `1.0.1`:
     # `uses: reviewdog/action-eslint@1.0.1`
     #
     # Default: true
-    versioning_enabled: ''
+    versioning_enabled: ""
 
     # Description: Set a specific version to display in the README.md, maybe you want
     # to use a major or minor version
     #
-    version_override: ''
+    version_override: ""
 
     # Description: Prefix the version with this value, if it isn't already prefixed
     #
     # Default: v
-    version_prefix: ''
+    version_prefix: ""
 
     # Description: If versioning is disabled, use this branch in the usage example,
     # where the default is `main` Output if your action repo is
     # `reviewdog/action-eslint`: `uses: reviewdog/action-eslint@main`
     #
     # Default: main
-    versioning_default_branch: ''
+    versioning_default_branch: ""
 
     # Description: Add a prefix to the README title. The title template looks like
     # this:
     #
     # # {brand}{prefix}{title}
     #
     # Default: GitHub Action:
-    title_prefix: ''
+    title_prefix: ""
 
     # Description: Include additional badge showing latest tag
     #
     # Default: true
-    include_github_version_badge: ''
+    include_github_version_badge: ""
 
     # Description: Create the branding svg image from the branding object in
     # `action.yml` then save it to this path. Then update the `README.md` file to
@@ -210,15 +210,15 @@ This configuration will automatically regenerate your README whenever `action.ym
     # # {brand}{prefix}{title}
     #
     # Default: .github/ghadocs/branding.svg
-    branding_svg_path: ''
+    branding_svg_path: ""
 
     # Description: Prefix the title in the `<!-- start title -->` section with the svg
     # branding image The title template looks like this:
     #
     # # {brand}{prefix}{title}
     #
     # Default: true
-    branding_as_title_prefix: ''
+    branding_as_title_prefix: ""
 ```
 
 <!-- end usage -->

__tests__/helpers.test.ts

@@ -153,7 +153,6 @@ describe('helpers', () => {
 
     it('should convert the text to title case', () => {
       const result = titlecase('hello world');
-      // eslint-disable-next-line sonarjs/no-duplicate-string
       expect(result).toBe('Hello World');
     });
 

__tests__/integration-issue-335.test.ts

@@ -96,7 +96,6 @@ runs:
     // The test validates that the current implementation gracefully handles missing action.yml
     // but still requires other required inputs (paths:action, paths:readme)
     expect(() => {
-      // eslint-disable-next-line no-new
       new Inputs({}, log);
     }).toThrow(/Missing required keys/);
   });

__tests__/logtask/index.test.ts

@@ -1,4 +1,3 @@
-/* eslint-disable sonarjs/no-duplicate-string */
 import * as core from '@actions/core';
 import chalk from 'chalk';
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
@@ -114,7 +113,6 @@ describe('LogTask', () => {
       );
     });
   });
-  /* eslint-enable sonarjs/no-duplicate-string */
   describe('success', () => {
     it('should log a success message', () => {
       logTask.success(testMessage);