pin corepack version

disallow corepack from fetching latest manager version;
instead use specified version in package.json

.gitlab-ci.yml

@@ -10,12 +10,13 @@ testCommit:
     - redis
   variables:
     POSTGRES_PASSWORD: ci
+    COREPACK_DEFAULT_TO_LATEST: 0
   script:
     - apt-get update && apt-get install -y git wget curl build-essential python3 ffmpeg
     - cp .config/ci.yml .config/default.yml
     - cp .config/ci.yml .config/test.yml
     - corepack enable
-    - corepack prepare pnpm@latest --activate
+    - corepack install
     - git submodule update --init
     - pnpm install --frozen-lockfile
     - pnpm run build

Dockerfile

@@ -7,6 +7,7 @@ FROM node:${NODE_VERSION} as build
 RUN apk add git linux-headers build-base
 
 ENV PYTHONUNBUFFERED=1
+ENV COREPACK_DEFAULT_TO_LATEST=0
 RUN apk add --update python3 && ln -sf python3 /usr/bin/python
 RUN apk add py3-pip py3-setuptools
 
@@ -35,6 +36,7 @@ FROM node:${NODE_VERSION}
 
 ARG UID="991"
 ARG GID="991"
+ENV COREPACK_DEFAULT_TO_LATEST=0
 
 RUN apk add ffmpeg tini jemalloc \
 	&& corepack enable \