Bump Microsoft.Azure.KeyVault from 3.0.0 to 3.0.3

Bumps [Microsoft.Azure.KeyVault](https://github.com/Azure/azure-sdk-for-net) from 3.0.0 to 3.0.3.
- [Release notes](https://github.com/Azure/azure-sdk-for-net/releases)
- [Commits](https://github.com/Azure/azure-sdk-for-net/commits)

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

RSAKeyVaultProvider/RSAKeyVaultProvider.csproj

@@ -19,7 +19,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.KeyVault" Version="3.0.0" />
+    <PackageReference Include="Microsoft.Azure.KeyVault" Version="3.0.3" />
     <PackageReference Include="Nerdbank.GitVersioning" Version="2.2.13" PrivateAssets="all" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta-63127-02" PrivateAssets="all" />
     <PackageReference Condition="'$(TargetFramework)' == 'netstandard1.4' " Include="System.Net.Http" Version="4.3.3" />