Fheroes2: Emscripten build (latest commit)

From Fheroes2: link to original post

Bump actions/upload-artifact from 6 to 7 (#10546)

Bumps actions/upload-artifact from 6 to 7.

• Release notes
• Commits

updated-dependencies:

• dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  ...

Signed-off-by: dependabot[bot] support@github.com
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>