Advisory for unmaintained atomic-polyfill

Author: oherrala

crates/atomic-polyfill/RUSTSEC-0000-0000.md

@@ -0,0 +1,21 @@
+```toml
+[advisory]
+id = "RUSTSEC-0000-0000"
+package = "atomic-polyfill"
+date = "2023-07-11"
+url = "https://github.com/embassy-rs/atomic-polyfill/commit/48e55c166684f37af0b00fbee5a0809b1a2bae8e"
+informational = "unmaintained"
+
+[versions]
+patched = []
+```
+
+# atomic-polyfill is unmaintained
+
+The author has archived the GitHub repository and mentions deprecation in
+project's
+[README](https://github.com/embassy-rs/atomic-polyfill/blob/48e55c166684f37af0b00fbee5a0809b1a2bae8e/README.md).
+
+## Possible alternatives
+
+ * [portable-atomic](https://crates.io/crates/portable-atomic)