fix: correct variable name and fix package.json formatting

- Fix bug: ${new_version} -> ${VERSION} in update-release-changelog.sh
- Add trailing newline to package.json for Prettier compliance

Author: Qbandev

.github/scripts/update-release-changelog.sh

@@ -208,15 +208,15 @@ echo "Generating changelog for ${PLATFORM} ${VERSION}.."
 if [[ "${REQUIRE_PR_NUMBERS}" == "true" ]]; then
     yarn auto-changelog update --rc \
         --repo "${GITHUB_REPOSITORY_URL}" \
-        --currentVersion "${new_version}" \
+        --currentVersion "${VERSION}" \
         --autoCategorize \
         --useChangelogEntry \
         --useShortPrLink \
         --requirePrNumbers
 else
     yarn auto-changelog update --rc \
         --repo "${GITHUB_REPOSITORY_URL}" \
-        --currentVersion "${new_version}" \
+        --currentVersion "${VERSION}" \
         --autoCategorize \
         --useChangelogEntry \
         --useShortPrLink

package.json

@@ -86,4 +86,4 @@
       "@swc/core": false
     }
   }
-}
+}