Revert "bump librdkafka to tag 'v2.7.0'/'v2.6.1'"

olegrok · olegrok · commit 77ef481c5627 · 2025-05-02T01:19:45.000+04:00
This reverts commit 8d68897.
diff --git a/librdkafka b/librdkafka
@@ -1 +1 @@
-Subproject commit cb8c19c43011b66c4b08b25e5150455a247e1ff3
+Subproject commit b4c608570f796c18ff2211a7af876046d264d392
