chore(deps): bump fortran-lang/setup-fortran from 1.6.1 to 1.6.3

Bumps [fortran-lang/setup-fortran](https://github.com/fortran-lang/setup-fortran) from 1.6.1 to 1.6.3.
- [Release notes](https://github.com/fortran-lang/setup-fortran/releases)
- [Commits](fortran-lang/setup-fortran@v1.6.1...v1.6.3)

---
updated-dependencies:
- dependency-name: fortran-lang/setup-fortran
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/test-workflow.yml

@@ -43,7 +43,7 @@ jobs:
 
       - name: Setup the Fortran compiler
         if: matrix.fpm-version == 'latest'
-        uses: fortran-lang/[email protected].1
+        uses: fortran-lang/[email protected].3
         with:
           compiler: gcc
           version: 13