Bump minimal displaydoc to prevent rustc complaining about future compat

Signed-off-by: maurges <nikita@dfns.co>

Author: maurges

Cargo.toml

@@ -35,7 +35,7 @@ futures-util = { version = "0.3", default-features = false }
 
 anyhow = "1"
 thiserror = "1"
-displaydoc = { version = "0.2", default-features = false }
+displaydoc = { version = "0.2.5", default-features = false }
 
 serde = { version = "1", default-features = false }
 serde_with = { version = "2", default-features = false }