chore: Bump nightly Rust toolchain in vscode settings

Author: Techassi

.vscode/settings.json

@@ -2,7 +2,7 @@
   "rust-analyzer.rustfmt.overrideCommand": [
     "rustfmt",
     // Keep in sync with across other repos like operator-rs and operator-templating
-    "+nightly-2025-10-23",
+    "+nightly-2026-07-01",
     "--edition",
     "2024",
     "--"