chore: update keepalive timestamp [skip ci]

actions-user · actions-user · commit b3a6819a5dc8 · 2026-02-01T00:30:50.000Z
diff --git a/.github/keepalive b/.github/keepalive
@@ -1 +1 @@
-Last keepalive: Thu Jan  1 00:24:48 UTC 2026
+Last keepalive: Sun Feb  1 00:30:50 UTC 2026
