Exit with 0 even if no new files to commit

Author: bitfl0wer

.github/workflows/deploy-openapi-spec.yml

@@ -33,5 +33,5 @@ jobs:
               tree -L 2
               mv ./api/src/core/tsp-output/@typespec/openapi3/openapi.v1.0.yaml ./api/build/core-openapi3.yaml
               git add ./api/build/*
-              git commit -m "[bot]update openapi3 schema"
-              git push
+              git commit -m "[bot]update openapi3 schema" || true
+              git push || true