The contrast provided by the border-gray-200 Tailwind utility
class is very poor. It's nearly impossible to distinguish the edges 
of an input field on a white background. 

That's not a great default experience for Rails scaffolds.

With a slight bump to border-gray-400, things are much easier 
to distinguish.

This updates the erb template to be in sync with the template in rails/rails

generator: sync erb template

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

which reached EOL 11 months ago, in June 2023

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

…port

dep: drop support for Rails 6.0

…download-artifact-4

build(deps): bump actions/download-artifact from 3 to 4

This updates the erb template to be in sync with the template in rails/rails

We will still provide security support for the previous minor release
while Rails 6.1 is supported.

generator: sync erb template to use Rails 7.0 APIs

Increase form input field border contrast