CI: Test GCC-13

Incflo uses the latest GCC on the latest Ubuntu runner. Some of its CI tests
failed because of a new warning by GCC-13. This commit adds GCC-13 to CI
tests.

Most of our GCC CI tests use GCC-9. This commit converts two of them to use
GCC-13 and Ubuntu 24.04.

.github/workflows/gcc.yml

@@ -69,13 +69,13 @@ jobs:
 
  # Build libamrex and all tests
  tests_build_3D:
- name: GNU@9.3 C++17 3D Debug Fortran [tests]
- runs-on: ubuntu-20.04
+ name: GNU@13 C++17 3D Debug Fortran [tests]
+ runs-on: ubuntu-24.04
  steps:
  - uses: actions/checkout@v4
  - name: Dependencies
  run: |
- .github/workflows/dependencies/dependencies.sh
+ .github/workflows/dependencies/dependencies_gcc.sh 13
  .github/workflows/dependencies/dependencies_clang-tidy-apt-llvm.sh 17
  .github/workflows/dependencies/dependencies_ccache.sh
  - name: Set Up Cache
@@ -595,13 +595,13 @@ jobs:
 
  # Build libamrex and run all tests
  tests_run:
- name: GNU@9.3 C++17 [tests]
- runs-on: ubuntu-20.04
+ name: GNU@13 C++17 [tests]
+ runs-on: ubuntu-24.04
  steps:
  - uses: actions/checkout@v4
  - name: Dependencies
  run: |
- .github/workflows/dependencies/dependencies.sh
+ .github/workflows/dependencies/dependencies_gcc.sh 13
  .github/workflows/dependencies/dependencies_clang-tidy-apt-llvm.sh 17
  .github/workflows/dependencies/dependencies_ccache.sh
  - name: Set Up Cache