Automated update to Github CI to rustc nightly-2025-06-06

Update Nightly Rustc Bot · Update Nightly Rustc Bot · commit 686db7566bb3 · 2025-06-07T02:07:01.000Z
diff --git a/nightly-version b/nightly-version
@@ -1 +1 @@
-nightly-2025-04-11
+nightly-2025-06-06
