Bump the core group with 1 update

Bumps System.Text.Json from 9.0.8 to 9.0.9

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-version: 9.0.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: core
...

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

Author: dependabot[bot]

src/GitHubActionsDotNet/GitHubActionsDotNet.csproj

@@ -12,7 +12,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="System.IO" Version="4.3.0" />
-		<PackageReference Include="System.Text.Json" Version="9.0.8" />
+		<PackageReference Include="System.Text.Json" Version="9.0.9" />
 		<PackageReference Include="YamlDotNet" Version="16.3.0" />
 		<PackageReference Include="Microsoft.CSharp" Version="4.7.0" />	
 	</ItemGroup>