Update the support matrix after releasing Bazel 7.6.1

PiperOrigin-RevId: 742503148
Change-Id: I903361bdb1df669f65bde102a7b3fdb6c4506176

Author: Googler

site/en/release/index.md

@@ -18,7 +18,7 @@ information about Bazel's release model.
 | ----------- | ------------- | -------------- | -------------- |
 | Bazel 9 | Rolling| [Check rolling release page](/release/rolling) | N/A |
 | Bazel 8 | Active| [8.1.1](https://github.com/bazelbuild/bazel/releases/tag/8.1.1){: .external} | December 2027 |
-| Bazel 7 | Maintenance| [7.6.0](https://github.com/bazelbuild/bazel/releases/tag/7.6.0){: .external} | Dec 2026 |
+| Bazel 7 | Maintenance| [7.6.1](https://github.com/bazelbuild/bazel/releases/tag/7.6.1){: .external} | Dec 2026 |
 | Bazel 6 | Maintenance | [6.5.0](https://github.com/bazelbuild/bazel/releases/tag/6.5.0){: .external} | Dec 2025 |
 | Bazel 5 | Deprecated | [5.4.1](https://github.com/bazelbuild/bazel/releases/tag/5.4.1){: .external} | Jan 2025 |
 | Bazel 4 | Deprecated | [4.2.4](https://github.com/bazelbuild/bazel/releases/tag/4.2.4){: .external} | Jan 2024 |