Bump Whisper.net from 1.7.0 to 1.7.3

Bumps [Whisper.net](https://github.com/sandrohanea/whisper.net) from 1.7.0 to 1.7.3.
- [Release notes](https://github.com/sandrohanea/whisper.net/releases)
- [Commits](sandrohanea/whisper.net@1.7.0...1.7.3)

---
updated-dependencies:
- dependency-name: Whisper.net
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Utility/Utility.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Whisper.net" Version="1.7.0" />
+    <PackageReference Include="Whisper.net" Version="1.7.3" />
     <PackageReference Include="Whisper.net.Runtime" Version="1.7.0" />
     <PackageReference Include="MimeTypeMapOfficial" Version="1.0.17" />
   </ItemGroup>

WhisperAI/WhisperAI.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Whisper.net" Version="1.7.0" />
+    <PackageReference Include="Whisper.net" Version="1.7.3" />
     <PackageReference Include="Whisper.net.Runtime" Version="1.7.0" />
   </ItemGroup>