CLOUDP-306573: Fix PR IPA run

Author: lovisaberggren

.github/workflows/spectral-lint.yml

@@ -44,8 +44,5 @@ jobs:
           file_glob: openapi/.raw/v2.yaml
           spectral_ruleset: tools/spectral/.spectral.yaml #If updated, need to update in MMS too.
       - name: IPA validation action
-        uses: stoplightio/spectral-action@2ad0b9302e32a77c1caccf474a9b2191a8060d83
-        with:
-          file_glob: v2.yaml
-          spectral_ruleset: tools/spectral/ipa/ipa-spectral.yaml
+        run: npx spectral lint v2.yaml --ruleset=./tools/spectral/ipa/ipa-spectral.yaml