Automated update to Github CI to rustc nightly-2026-04-11

Update Nightly Rustc Bot · Update Nightly Rustc Bot · commit d7e34f314653 · 2026-04-13T01:00:58.000Z
diff --git a/nightly-version b/nightly-version
@@ -1 +1 @@
-nightly-2025-09-27
+nightly-2026-04-11
