Add advisory for array-init-cursor (#2264)

Author: TethysSvensson

crates/array-init-cursor/RUSTSEC-0000-0000.md

@@ -0,0 +1,22 @@
+```toml
+[advisory]
+id = "RUSTSEC-0000-0000"
+package = "array-init-cursor"
+date = "2025-03-27"
+url = "https://github.com/planus-org/planus/issues/293"
+informational = "unsound"
+categories = ["memory-corruption"]
+
+[versions]
+patched = [">= 0.2.1"]
+```
+
+# `array-init-cursor` in version 0.2.0 and below is unsound when used with types that implement `Drop`
+
+The `Drop` implementation will get run twice when using the cursor.
+
+This issue does not affect you, if you are using only using the crate with
+types that are `Copy` such as `u8`.
+
+This issue also does not affect you, if you are only depending on it through
+the crate `planus`.