build(deps): bump tempfile from 3.19.1 to 3.20.0

---
updated-dependencies:
- dependency-name: tempfile
  dependency-version: 3.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -52,7 +52,7 @@ nostr-sdk = { version = "0.42", path = "./crates/nostr-sdk", default-features =
 reqwest = { version = "0.12", default-features = false }
 serde = { version = "1.0", default-features = false }
 serde_json = { version = "1.0", default-features = false }
-tempfile = "3.19"
+tempfile = "3.20"
 tokio = { version = ">=1.37", default-features = false }
 tracing = { version = "0.1", default-features = false }
 tracing-subscriber = "0.3"