fix: move pnpm link inside Docker container for Linux tests

The pnpm link was running on the host before Docker, but Docker's
pnpm install --prefer-offline recreates node_modules, wiping the link.
Moving the link inside Docker after pnpm install fixes this.

Author: Qard

.github/workflows/build-and-test.yml

@@ -310,8 +310,6 @@ jobs:
         with:
           name: entrypoints
           path: .
-      - name: Link npm package for testing
-        run: pnpm link ./npm/${{ matrix.settings.npm_dir }}
       - name: Output docker params
         id: docker
         run: |
@@ -363,4 +361,5 @@ jobs:
             npm i -gf pnpm
             node fix-python-soname.js
             pnpm install --prefer-offline
+            pnpm link ./npm/${{ matrix.settings.npm_dir }}
             pnpm test