deps(dev): update hvac requirement from >=2.0.0 to >=2.4.0

Updates the requirements on [hvac](https://github.com/hvac/hvac) to permit the latest version.
- [Release notes](https://github.com/hvac/hvac/releases)
- [Changelog](https://github.com/hvac/hvac/blob/main/CHANGELOG.md)
- [Commits](hvac/hvac@v2.0.0...v2.4.0)

---
updated-dependencies:
- dependency-name: hvac
  dependency-version: 2.4.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -40,13 +40,13 @@ Documentation = "https://github.com/Coding-Dev-Tools/envault#readme"
 "Issue Tracker" = "https://github.com/Coding-Dev-Tools/envault/issues"
 
 [project.optional-dependencies]
-vault = ["hvac>=2.0.0"]
+vault = ["hvac>=2.4.0"]
 awsssm = ["boto3>=1.28.0"]
 doppler = ["requests>=2.31.0"]
 onepassword = ["onepasswordconnectsdk>=1.1.0"]
 dev = ["pytest>=7.0", "pytest-cov", "responses>=0.24.0"]
 all = [
-    "hvac>=2.0.0",
+    "hvac>=2.4.0",
     "boto3>=1.28.0",
     "requests>=2.31.0",
     "onepasswordconnectsdk>=1.1.0",