moving from "min_noctalia" to "plugin_api"

.github/PULL_REQUEST_TEMPLATE.md

@@ -25,7 +25,8 @@
 - [ ] Tested on Hyprland
 - [ ] Tested on Sway
 - [ ] Tested on another compositor:
-- **Noctalia version tested against:** <!-- must be >= min_noctalia in plugin.toml -->
+- **Noctalia version tested against:**
+- **Plugin API level:** <!-- must match plugin_api in plugin.toml -->
 
 ## Screenshots / Videos
 
@@ -39,7 +40,7 @@
       [README template](https://github.com/noctalia-dev/community-plugins/blob/main/README_TEMPLATE.md), documents
       every entry id and dependency, and includes exact panel IPC commands and launcher prefixes where applicable.
 - [ ] I created `thumbnail.webp` with the [thumbnail generator](https://assets.noctalia.dev/plugins/thumbnail-generator.html).
-- [ ] `version` follows semver and is bumped in this PR; `min_noctalia` is the version I tested against.
+- [ ] `version` follows semver and is bumped in this PR; `plugin_api` is the oldest API level this plugin requires.
 - [ ] Every non-English translation in this PR uses a locale supported by Noctalia core, and I can read, write, and
       understand that language well enough to review and maintain it (no unreviewed machine/LLM translations).
 - [ ] I did not edit `catalog.toml`; CI generates it.