ci: Update 20.04 runners to 22.04

Author: JDBetteridge

.github/workflows/pytest-core-mpi.yml

@@ -17,7 +17,7 @@ on:
 jobs:
   test-mpi-basic:
     name: pytest-mpi
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python-version: ['3.9', '3.11']
@@ -76,20 +76,20 @@ jobs:
               os: ubuntu-latest
               # Need safe math for icx due to inaccuracy with mpi+sinc interpolation
               mpiflag: "-e DEVITO_SAFE_MATH=1"
-      
+
       steps:
       - name: Checkout devito
         uses: actions/checkout@v4
-      
+
       - name: Build docker image
         run: |
           docker build . --file docker/Dockerfile.devito --tag devito_img --build-arg base=devitocodes/bases:cpu-${{ matrix.arch }}
-      
+
       - name: Test with pytest
         run: |
           docker run --init -t --rm -e CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }} -e OMP_NUM_THREADS=1 --name testrun devito_img pytest tests/test_mpi.py
 
       - name: Test examples with MPI
         run: |
           docker run --init -t --rm ${{ matrix.mpiflag }} -e DEVITO_MPI=1 -e OMP_NUM_THREADS=1 --name examplerun devito_img mpiexec -n 2 pytest examples/seismic/acoustic
-          docker run --init -t --rm -e DEVITO_MPI=1 -e OMP_NUM_THREADS=1 --name examplerun devito_img mpiexec -n 2 pytest examples/seismic/tti
+          docker run --init -t --rm -e DEVITO_MPI=1 -e OMP_NUM_THREADS=1 --name examplerun devito_img mpiexec -n 2 pytest examples/seismic/tti

.github/workflows/pytest-core-nompi.yml

@@ -58,14 +58,14 @@ jobs:
 
         - name: pytest-ubuntu-py39-gcc7-omp
           python-version: '3.9'
-          os: ubuntu-20.04
+          os: ubuntu-22.04
           arch: "gcc-7"
           language: "openmp"
           sympy: "1.9"
 
         - name: pytest-ubuntu-py310-gcc10-noomp
           python-version: '3.10'
-          os: ubuntu-20.04
+          os: ubuntu-22.04
           arch: "gcc-10"
           language: "C"
           sympy: "1.11"
@@ -77,13 +77,6 @@ jobs:
           language: "openmp"
           sympy: "1.13"
 
-        - name: pytest-ubuntu-py39-gcc9-omp
-          python-version: '3.9'
-          os: ubuntu-20.04
-          arch: "custom"
-          language: "openmp"
-          sympy: "1.10"
-
         - name: pytest-osx-py312-clang-omp
           python-version: '3.12'
           os: macos-latest
@@ -152,7 +145,7 @@ jobs:
             echo "/opt/homebrew/opt/llvm/bin" >> $GITHUB_PATH
           fi
       id: set-tests
-    
+
     - name: Set pip flags for latest python (3.12)
       run: |
           if [ "${{ matrix.python-version }}" == '3.12' ]; then