Bump dotenv.net from 3.1.3 to 3.2.1

Bumps [dotenv.net](https://github.com/bolorundurowb/dotenv.net) from 3.1.3 to 3.2.1.
- [Release notes](https://github.com/bolorundurowb/dotenv.net/releases)
- [Commits](https://github.com/bolorundurowb/dotenv.net/commits)

---
updated-dependencies:
- dependency-name: dotenv.net
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tests/NRedisStack.Tests/NRedisStack.Tests.csproj

@@ -19,7 +19,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="dotenv.net" Version="3.1.3" />
+    <PackageReference Include="dotenv.net" Version="3.2.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>