chore(deps): update dependency google.cloud.spanner.data to 5.2.0 (#3216)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
|
[Google.Cloud.Spanner.Data](https://redirect.github.com/googleapis/google-cloud-dotnet)
| `5.1.0` -> `5.2.0` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/Google.Cloud.Spanner.Data/5.2.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/nuget/Google.Cloud.Spanner.Data/5.1.0/5.2.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Configuration

📅 **Schedule**: Branch creation - "before 8am" in timezone
Europe/London, Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/GoogleCloudPlatform/dotnet-docs-samples).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS45Ny4xMCIsInVwZGF0ZWRJblZlciI6IjQxLjk3LjEwIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119-->

Author: renovate-bot

applications/leaderboard/Leaderboard/Leaderboard.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.1.0" />
+    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.2.0" />
   </ItemGroup>
 
   <ItemGroup>

applications/leaderboard/step4/LeaderboardStep4.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.1.0" />
+    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.2.0" />
   </ItemGroup>
 
   <ItemGroup>

applications/leaderboard/step5/LeaderboardStep5.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.1.0" />
+    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.2.0" />
   </ItemGroup>
 
   <ItemGroup>

applications/leaderboard/step6/LeaderboardStep6.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.1.0" />
+    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.2.0" />
   </ItemGroup>
 
   <ItemGroup>

spanner/api/QuickStart/QuickStart.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.1.0" />
+    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.2.0" />
   </ItemGroup>
 
 </Project>

spanner/api/Spanner.Samples/Spanner.Samples.csproj

@@ -5,7 +5,7 @@
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.1.0" />
+    <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.2.0" />
   </ItemGroup>
 
 </Project>