chore: update keepalive timestamp [skip ci]

actions-user · actions-user · commit f2ef936e2001 · 2026-01-01T00:40:45.000Z
diff --git a/.github/keepalive b/.github/keepalive
@@ -0,0 +1 @@
+Last keepalive: Thu Jan  1 00:40:45 UTC 2026

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Last keepalive: Thu Jan 1 00:40:45 UTC 2026`