chore: fix sample app groups action typo (#487)

Author: mrehan27

.github/workflows/reusable_build_sample_apps.yml

@@ -56,8 +56,8 @@ jobs:
           # Append distribution groups based on branch and context if the app is primary
           if [[ "$IS_PRIMARY_APP" == "true" ]]; then
             [[ "$CURRENT_BRANCH" == "refs/heads/feature/"* ]] && distribution_groups+=("$FEATURE_BUILDS_GROUP")
-            [[ "$CURRENT_BRANCH" == "refs/heads/main" ]] && distribution_groups+=("NEXT_BUILDS_GROUP")
-            [[ "$USE_LATEST_SDK_VERSION" == "true" ]] && distribution_groups+=("PUBLIC_BUILDS_GROUP")
+            [[ "$CURRENT_BRANCH" == "refs/heads/main" ]] && distribution_groups+=("$NEXT_BUILDS_GROUP")
+            [[ "$USE_LATEST_SDK_VERSION" == "true" ]] && distribution_groups+=("$PUBLIC_BUILDS_GROUP")
           fi
           
           # Export the groups as an environment variable