ci: Manually set what package gets marked as the latest release (#2042)

Simple config change: Avoid setting every new crate release as "latest".

This only affects which crate gets shown on the sidebar for the main
github page. The release list stays unchanged.
<img width="303" height="143" alt="image"
src="https://github.com/user-attachments/assets/932d055d-1e78-4555-9831-96d14647be9b"
/>

Author: aborgna-q

release-plz-pg-libs.toml

@@ -12,6 +12,7 @@ release = false
 # Enforce adding the project name in the git tag, to avoid collisions with python.
 git_tag_name = "{{ package }}-v{{ version }}"
 git_release_name = "{{ package }}: v{{ version }}"
+git_release_latest = false
 pr_labels = ["X-release", "A-rust"]
 
 # Publish only after merging a PR whose branch starts with `release-plz-pg-libs-`.

release-plz-tket.toml

@@ -12,6 +12,7 @@ release = false
 # Enforce adding the project name in the git tag, to avoid collisions with python.
 git_tag_name = "{{ package }}-v{{ version }}"
 git_release_name = "{{ package }}: v{{ version }}"
+git_release_latest = false
 pr_labels = ["X-release", "A-rust"]
 
 # Publish only after merging a PR whose branch starts with `release-plz-tket-`.
@@ -50,6 +51,7 @@ commit_parsers = [
 [[package]]
 name = "tket"
 release = true
+git_release_latest = true
 
 [[package]]
 name = "tket-qsystem"