Update README.md

Upgrade `@actions/cache` to `4.0.4` and move `@protobuf-ts/plugin` to dev depdencies

Prepare release `4.2.4`

Add note on runner versions

Prepare `v4.3.0` release

- Use local cache package with file:../packages/cache instead of published version
- Update all action.yml files to use node24 runtime
- Update dependencies to support Node 24 (@types/node@24.1.0)
- Rebuild dist files with local cache package
- Add engines field requiring node >=24

- Keep Node 24 package.json with local cache package reference
- Keep rebuilt dist files with local cache package
- Preserve package-lock.json with updated dependencies
- Include latest license updates from main

Uses updated cache package that removes @azure/ms-rest-js dependency to fix Node 24 punycode deprecation warning.

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Potential fix for code scanning alert no. 52: Workflow does not contain permissions

…ow-permissions

…ache into Link-/fix-workflow-permissions

…ssions

Fix workflow permissions and cleanup workflow names / formatting

docs: Update examples to use the latest version

…ion-tests

Fix proxy integration tests

Updated cache key to use 'bun.lock' instead of 'bun.lockb' for consistency.

Fix cache key in examples.md for bun.lock

Update dependencies & patch security vulnerabilities

Update ts-http-runtime dependency

# Conflicts:
#	.github/workflows/issue-opened-workflow.yml
#	.github/workflows/pr-opened-workflow.yml
#	.github/workflows/publish-immutable-actions.yml
#	.github/workflows/release-new-action-version.yml
#	.licensed.yml
#	README.md
#	RELEASES.md
#	dist/restore-only/index.js
#	dist/restore/index.js
#	dist/save-only/index.js
#	dist/save/index.js
#	examples.md
#	package-lock.json
#	package.json
#	restore/README.md
#	save/README.md
#	tips-and-workarounds.md

- Bump @actions/cache to ^5.0.5, @actions/core to ^2.0.3,
  @actions/exec to ^2.0.0, @actions/io to ^2.0.0
- Bump dev deps: jest 29, prettier 3, ts-jest 29, typescript 5.9
- Update action runtime from node20 to node24
- Update CI workflows to use Node 24 and checkout@v5
- Remove jest-circus testRunner config (default in jest 29)
- Regenerate package-lock.json and rebuild dist