ci: npx the script

Author: jamesbhobbs

.github/workflows/check-licenses.yml

@@ -11,6 +11,7 @@ concurrency:
 
 jobs:
   check_licenses:
+    name: Check Licenses
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -19,5 +20,5 @@ jobs:
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
 
       - name: Check Licenses
-        run: yarn check-licenses
+        run: npx license-checker-rseidelsohn --onlyAllow 'MIT;Apache-2.0;BSD-2-Clause;BSD-3-Clause;ISC;0BSD;CC0-1.0;Python-2.0;CC-BY-3.0;CC-BY-4.0;Unlicense;BlueOak-1.0.0;(MIT OR Apache-2.0);(MIT AND BSD-3-Clause);(Apache-2.0 OR MIT);(BSD-2-Clause OR MIT OR Apache-2.0);(MIT OR CC0-1.0);(MIT AND CC-BY-3.0);(Unlicense OR Apache-2.0)'