Just test on macos-12 for now...

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         java: [ '8', '11', '16', '17', '19', '21' ]
-        runs-on: [ubuntu-latest, macos-latest, windows-latest]
+        runs-on: [ubuntu-latest, macos-12, windows-latest] # Note macos-12, not latest/14, due to hdf5 install issue
         exclude:
           - runs-on: macos-latest
             java: "8"
@@ -36,7 +36,7 @@ jobs:
     - name: Install and test (non Win)
       env:
         main_repo_branch: ${GITHUB_REF_NAME}
-      if: ${{ matrix.runs-on != 'windows-2019' }}
+      if: ${{ matrix.runs-on != 'windows-latest' }}
       run: |
         export main_repo_branch=${{env.main_repo_branch}}
         if [[ ${main_repo_branch} != "master" && ${main_repo_branch} != "development" && ${main_repo_branch} != "experimental" && ${main_repo_branch} != *"osb"* ]]; then main_repo_branch=development ; fi
@@ -72,7 +72,7 @@ jobs:
         mvn dependency:tree
 
     - name: Install and test (Win)
-      if: ${{ matrix.runs-on == 'windows-2019' }}
+      if: ${{ matrix.runs-on == 'windows-latest' }}
       run: |
         # Install org.neuroml.model.injectingplugin