Update integer-encoding requirement from 3.0 to 4.0

Updates the requirements on [integer-encoding](https://github.com/dermesser/integer-encoding-rs) to permit the latest version.
- [Commits](dermesser/integer-encoding-rs@v3.0.0...v4.0.0)

---
updated-dependencies:
- dependency-name: integer-encoding
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

ezlog-core/Cargo.toml

@@ -33,7 +33,7 @@ crossbeam-channel = "0.5"
 thread-id = "4.0.0"
 once_cell = "1.12"
 thiserror = "1"
-integer-encoding = "3.0"
+integer-encoding = "4.0"
 bitflags = { version = "2.0.1", features = []}
 android_logger = { version = "0.13", optional = true }
 regex = { version = "1", optional = true}