Revert "build: Try pnpm"

This reverts commit 99781ee.

README.md

@@ -64,7 +64,6 @@ The main sub-sites are:
 - `sites/modules-subworkflows` - modules and subworkflows pages
 - `sites/pipelines` - pipeline pages
 - `sites/pipeline-results` - AWS megatest result pages for each pipeline (split up from the rest to allow static generation of the main pipeline pages)
-- `sites/stats` - Stats for nf-core activity written with [Evidence](https://evidence.dev/)
 
 Each site has its own `src` directory with the following structure, typical for an [Astro project](https://docs.astro.build/guides/project-structure):
 

package.json

@@ -17,5 +17,9 @@
         "update": "for dir in sites/*; do (cd $dir && npx ncu --interactive --format group); done",
         "test-all": "for dir in sites/*; do (cd $dir && npm run test); done"
     },
-    "devDependencies": {}
+    "devDependencies": {
+    },
+    "workspaces": [
+        "sites/*"
+    ]
 }