add changelogs

docs/notes/2.24.x.md

@@ -40,6 +40,10 @@ The "legacy" system will be removed in the 2.25.x series.
 
 Many tools that Pants downloads can now be exported using [the new `export --bin` option](https://www.pantsbuild.org/2.24/reference/goals/export#bin). For example, `pants export --bin="helm"` will export the `helm` binary to `dist/export/bin/helm`. For each tool, all the files are exported to a subfolder in `dist/export/bins/`, and the main executable is linked to `dist/export/bin/`.
 
+#### `generate-lockfiles`
+
+Generating all lockfiles properly deduplicates requests, preventing generating the same lockfile twice for resolves that shadow a tool's builtin resolve name. ([#21642](https://github.com/pantsbuild/pants/pull/21642))
+
 ### Backends
 
 #### JVM
@@ -88,6 +92,8 @@ A new experimental [Python Provider](https://www.pantsbuild.org/blog/2023/03/31/
 
 Mypy will now typecheck previously-ignored python sources without a `.py` or `.pyi` extension.
 
+Tools that are installed from a user resolve will not present their default resolve for `generate-lockfiles` and `export`.
+
 #### S3
 
 The `pants.backend.url_handlers.s3` backend now correctly passes along query parameters such as `versionId` for `s3://` urls.