workflows: bump uraimo/run-on-arch-action from 2 to 3

Bumps [uraimo/run-on-arch-action](https://github.com/uraimo/run-on-arch-action) from 2 to 3.
- [Release notes](https://github.com/uraimo/run-on-arch-action/releases)
- [Commits](uraimo/run-on-arch-action@v2...v3)

---
updated-dependencies:
- dependency-name: uraimo/run-on-arch-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/unit-tests.yaml

@@ -190,7 +190,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Prepare and build with QEMU ${{ matrix.arch }}
-        uses: uraimo/run-on-arch-action@v2
+        uses: uraimo/run-on-arch-action@v3
         id: build-and-test-on-qemu
         with:
           arch: ${{ matrix.arch }}