Remove fast-mail-parser since requires newer Rust version

Signed-off-by: Waldemar Quevedo <[email protected]>

Author: wallyqs

pyproject.toml

@@ -12,7 +12,6 @@ dev-dependencies = [
     "aiohttp",
     "aiofiles",
     "nkeys",
-    "fast-mail-parser",
     "typing_extensions",
 ]
 workspace = { members = ["nats"] }