Update sealed requirement from 0.5 to 0.6

Updates the requirements on [sealed](https://github.com/jmg-duarte/sealed-rs) to permit the latest version.
- [Commits](jmg-duarte/sealed-rs@0.6.0-rc1...0.6.0)

---
updated-dependencies:
- dependency-name: sealed
  dependency-type: direct:production
...

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

Cargo.toml

@@ -76,7 +76,7 @@ itertools = "0.13"
 linked-hash-map = "0.5.3"
 pin-project = "1.0"
 regex = "1.9"
-sealed = "0.5"
+sealed = "0.6"
 smart-default = "0.7.1"
 
 # "macros" feature dependencies.