Update Inventory for heroku/dotnet (#346)

Co-authored-by: heroku-linguist[bot] <136119646+heroku-linguist[bot]@users.noreply.github.com>

Author: heroku-linguist[bot]

buildpacks/dotnet/CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Support for .NET SDK versions: 9.0.308.
+
 ## [0.11.1] - 2025-11-11
 
 ### Added

buildpacks/dotnet/inventory.toml

@@ -1538,6 +1538,20 @@ arch = "arm64"
 url = "https://builds.dotnet.microsoft.com/dotnet/Sdk/9.0.307/dotnet-sdk-9.0.307-linux-arm64.tar.gz"
 checksum = "sha512:46bfb0bd3e8124f0fabdd234bcf20383a86459d55f3d3d73178a0bce288b40b82c5dfd172586be447520e211fdcfda86902cb106b5ecc4d315234d9c8f8bcb70"
 
+[[artifacts]]
+version = "9.0.308"
+os = "linux"
+arch = "amd64"
+url = "https://builds.dotnet.microsoft.com/dotnet/Sdk/9.0.308/dotnet-sdk-9.0.308-linux-x64.tar.gz"
+checksum = "sha512:3aacff096524a1dae9bc035f71a6805fa7ec3430d395771fc1c85505165a78361ce2cc9c9c35433376e5c30aec37e2eb2e77de0a6ba7ddd7dc6053baf2c2709a"
+
+[[artifacts]]
+version = "9.0.308"
+os = "linux"
+arch = "arm64"
+url = "https://builds.dotnet.microsoft.com/dotnet/Sdk/9.0.308/dotnet-sdk-9.0.308-linux-arm64.tar.gz"
+checksum = "sha512:21fbdcdcb8762f3579ef2a8ac5d92cb0db960901f1c30d037fa1652238ef606bfc7bffa2e51fcc83f94f3c2c7d5bee5dcfed4b66baa455ae3d38681e264d23ff"
+
 [[artifacts]]
 version = "10.0.100-preview.1.25120.13"
 os = "linux"