Update integer-encoding requirement from 3.0.4 to 4.0.0

Updates the requirements on [integer-encoding](https://github.com/dermesser/integer-encoding-rs) to permit the latest version.
- [Commits](dermesser/integer-encoding-rs@v3.0.4...v3.0.4)

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

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

Author: dependabot[bot]

Cargo.toml

@@ -93,7 +93,7 @@ ratchet_fixture = "0.4"
 flate2 = "1.0.22"
 bitflags = "2.5"
 rocksdb = "0.22"
-integer-encoding = "3.0.4"
+integer-encoding = "4.0.0"
 rustls = "0.20"
 webpki = "0.22"
 webpki-roots = "0.22"