Merge pull request #1470 from SpiNNakerManchester/dependabot/github_actions/dieghernan/cff-validator-5

Bump dieghernan/cff-validator from 4 to 5

Author: rowleya

.github/workflows/build.yml

@@ -153,6 +153,6 @@ jobs:
     - name: "Check: copyright declarations"
       run: mvn apache-rat:check --settings $SETTINGS_FILE -V || (find . -type f -name 'rat*.txt' -print | xargs grep -l unapproved | xargs cat; exit 1)
     - name: "Check: CITATION.cff validity"
-      uses: dieghernan/cff-validator@v4
+      uses: dieghernan/cff-validator@v5
       with:
         install-r: true