Bump Antlr4BuildTasks from 12.4 to 12.5.0 in /_scripts/templates/CSharp (#3844)

Bumps [Antlr4BuildTasks](https://github.com/kaby76/Antlr4BuildTasks) from 12.4 to 12.5.0.
- [Commits](https://github.com/kaby76/Antlr4BuildTasks/commits)

---
updated-dependencies:
- dependency-name: Antlr4BuildTasks
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

_scripts/templates/CSharp/Other.csproj

@@ -2,7 +2,7 @@
 
   <ItemGroup>
     <PackageReference Include="Antlr4.Runtime.Standard" Version ="4.13.1" />
-    <PackageReference Include="Antlr4BuildTasks" Version="12.4" PrivateAssets="all" />
+    <PackageReference Include="Antlr4BuildTasks" Version="12.5.0" PrivateAssets="all" />
   </ItemGroup>
 
 </Project>