Bump Redis.OM from 1.1.0 to 1.2.0 (#237)

---
updated-dependencies:
- dependency-name: Redis.OM
  dependency-version: 1.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

ShortenUrl/ShortenUrl.csproj

@@ -9,7 +9,7 @@
     <ItemGroup>
         <InternalsVisibleTo Include="ShortenUrl.Test" />
         <PackageReference Include="Auth0.AspNetCore.Authentication" Version="1.6.1" />
-        <PackageReference Include="Redis.OM" Version="1.1.0" />
+        <PackageReference Include="Redis.OM" Version="1.2.0" />
     </ItemGroup>
 
 </Project>