Update release info (#1293)

Record latest v0.22 and v0.23 releases. Drop the old v0.21 release.
Also, update the release instructions to make latest release explicit.

Signed-off-by: Luiz Carvalho <lucarval@redhat.com>

release/README.md

@@ -56,6 +56,13 @@ text editor.
    EOF
    ```
 
+1. Decide if new release will be latest release.
+
+   ```bash
+   CHAINS_LATEST_RELEASE='true' # Set to 'false' if not latest release
+
+   ```
+
 1. Execute the release pipeline.
 
    ```bash
@@ -65,6 +72,7 @@ text editor.
      --param=serviceAccountPath=release.json \
      --param=serviceAccountImagesPath=credentials \
      --param=releaseBucket=gs://tekton-releases/chains \
+     --param=releaseAsLatest="${CHAINS_LATEST_RELEASE}" \
      --workspace name=release-secret,secret=release-secret \
      --workspace name=release-images-secret,secret=ghcr-creds \
      --use-param-defaults \

releases.md

@@ -101,24 +101,18 @@ deprecation window timers begin from when the release is published.
 ## Current Releases
 
 ### v0.23 (LTS)
-- **Latest Release**: [v0.23.0][v0-23-0] (2024-11-06)
+- **Latest Release**: [v0.23.1][v0-23-1] (2025-01-21)
 - **Initial Release**: [v0.23.0][v0-23-0] (2024-11-06)
 
 [v0-23-0]: https://github.com/tektoncd/chains/releases/tag/v0.23.0
+[v0-23-1]: https://github.com/tektoncd/chains/releases/tag/v0.23.1
 
 ### v0.22 (LTS)
-- **Latest Release**: [v0.22.2][v0-22-2] (2024-09-16)
+- **Latest Release**: [v0.22.3][v0-22-3] (2025-01-20)
 - **Initial Release**: [v0.22.0][v0-22-0] (2024-08-19)
 
 [v0-22-0]: https://github.com/tektoncd/chains/releases/tag/v0.22.0
-[v0-22-2]: https://github.com/tektoncd/chains/releases/tag/v0.22.2
-
-### v0.21 (LTS)
-- **Latest Release**: [v0.21.1][v0-21-1] (2024-06-10)
-- **Initial Release**: [v0.21.0][v0-21-0] (2024-05-23)
-
-[v0-21-0]: https://github.com/tektoncd/chains/releases/tag/v0.21.0
-[v0-21-1]: https://github.com/tektoncd/chains/releases/tag/v0.21.1
+[v0-22-3]: https://github.com/tektoncd/chains/releases/tag/v0.22.3
 
 ## Older Releases