Merge pull request #4020 from dopplershift/pin-hdf5

CI: Pin to hdf5<2

Author: dcamron

.github/actions/install-conda/action.yml

@@ -30,7 +30,7 @@ runs:
 
     - name: Install dependencies
       shell: bash -l {0}
-      run: micromamba install --yes --file ci-dev/${{ inputs.type }}_requirements.txt --file ci/extra_requirements.txt --file ci/requirements.txt "proj<9.8.0"
+      run: micromamba install --yes --file ci-dev/${{ inputs.type }}_requirements.txt --file ci/extra_requirements.txt --file ci/requirements.txt "proj<9.8.0" "hdf5<2"
 
     - name: Download Cartopy Maps
       if: ${{ inputs.need-cartopy == 'true' }}