Potentially fix invocation of draft-release-notes (#20265)

Release Notes:

- N/A

.github/workflows/ci.yml

@@ -260,7 +260,7 @@ jobs:
         run: |
           mkdir -p target/
           # Ignore any errors that occur while drafting release notes to not fail the build.
-          script/draft-release-notes "$version" "$channel" > target/release-notes.md || true
+          script/draft-release-notes "$RELEASE_VERSION" "$RELEASE_CHANNEL" > target/release-notes.md || true
 
       - name: Generate license file
         run: script/generate-licenses