fix(build): don't download Puppeteer when building for prod

.drone.yml

@@ -210,6 +210,7 @@ steps:
         from_secret: sentry_auth_token
       SENTRY_ORG: vikunja
       SENTRY_PROJECT: frontend-oss
+      PUPPETEER_SKIP_DOWNLOAD: true
     commands:
       - apk add git
       - corepack enable && pnpm config set store-dir .cache/pnpm

Dockerfile

@@ -10,6 +10,7 @@ WORKDIR /build
 ARG USE_RELEASE=false
 ARG RELEASE_VERSION=unstable
 ENV PNPM_CACHE_FOLDER .cache/pnpm/
+ENV PUPPETEER_SKIP_DOWNLOAD true
 
 COPY package.json ./
 COPY pnpm-lock.yaml ./