Update agent dependencies

Author: renovate[bot]

Cargo.toml

@@ -35,8 +35,8 @@ rand = "0.8.5"
 regex = "1.5.6"
 scraper = "0.13.0"
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0.81"
-stderrlog = "0.5.1"
+serde_json = "1.0.82"
+stderrlog = "0.5.3"
 string_cache = "=0.8.4"
 url = "2.2.2"
 uuid = { version = "0.8", features = ["serde", "v4"] }