build(deps): bump Microsoft.AppCenter.Crashes in /src (#944)

Bumps Microsoft.AppCenter.Crashes from 4.5.1 to 4.5.3.

---
updated-dependencies:
- dependency-name: Microsoft.AppCenter.Crashes
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/Splat.AppCenter/Splat.AppCenter.csproj

@@ -14,7 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AppCenter.Analytics" Version="4.5.3" />
-    <PackageReference Include="Microsoft.AppCenter.Crashes" Version="4.5.1" />
+    <PackageReference Include="Microsoft.AppCenter.Crashes" Version="4.5.3" />
   </ItemGroup>
 
   <ItemGroup>