Revert "ci: ubuntu-latest -> ubuntu-24.04"

This reverts commit fd3ebef.

Author: perazz

.github/workflows/CI.yml

@@ -21,10 +21,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-24.04, macos-11, windows-latest]
-        gcc_v: [10,11,12,13] # Version of GFortran we want to use.
+        os: [ubuntu-latest, macos-11, windows-latest]
+        gcc_v: [10,11,12] # Version of GFortran we want to use.
         include:
-        - os: ubuntu-24.04
+        - os: ubuntu-latest
           os-arch: linux-x86_64
           release-flags: --flag '--static -g -fbacktrace -O3'
 
@@ -264,7 +264,7 @@ jobs:
 
   upload-artifacts:
     if: ${{ github.event_name == 'release' && contains(github.ref, 'v') || github.event_name == 'push' }}
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     needs:
       - build
       - make-installer

.github/workflows/meta.yml

@@ -29,11 +29,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             mpi: intel
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             mpi: openmpi
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             mpi: mpich
           - os: macos-12
             mpi: openmpi