fix(ci): Install pnpm

.woodpecker/build.yml

@@ -2,6 +2,7 @@ steps:
   - name: run full license export
     image: registry.odit.services/hub/library/node:19.7.0-alpine3.16
     commands:
+      - npm i -g pnpm@8
       - pnpm i
       - pnpm licenses:export
   - name: push new licenses file to repo