Automated update to Github CI to rustc nightly-2026-01-17

Update Nightly Rustc Bot · Update Nightly Rustc Bot · commit 73aac405c756 · 2026-01-19T00:43:29.000Z
diff --git a/nightly-version b/nightly-version
@@ -1 +1 @@
-nightly-2025-09-27
+nightly-2026-01-17
