chore: add comment explaining global pkglab install

Author: nikosdouvlis

.github/actions/init-blacksmith/action.yml

@@ -119,6 +119,8 @@ runs:
       run: pnpm install
       shell: bash
 
+    # pkglab ships platform-specific binaries as optional deps (pkglab-linux-x64, etc.)
+    # pnpm doesn't resolve these for workspace devDeps, so we install globally via npm
     - name: Install pkglab
       run: npm install -g pkglab@0.12.0
       shell: bash

.github/actions/init/action.yml

@@ -119,6 +119,8 @@ runs:
       run: pnpm install
       shell: bash
 
+    # pkglab ships platform-specific binaries as optional deps (pkglab-linux-x64, etc.)
+    # pnpm doesn't resolve these for workspace devDeps, so we install globally via npm
     - name: Install pkglab
       run: npm install -g pkglab@0.12.0
       shell: bash