Migrate agent CLI to v5

RelativeCI agent v5 introduces new improvements, stabilizes the environment variables and decreases the installation footprint.

Step 1. Install @relative-ci/cli

# Uninstall @relative-ci/agent@v4
npm uninstall --save-dev @relative-ci/agent
# Install @relative-ci/cli@v5
npm install --save-dev @relative-ci/cli@v5.0.0-rc.6
# Uninstall @relative-ci/agent@v4
yarn remove @relative-ci/agent
# Install @relative-ci/cli@v5
yarn add --dev @relative-ci/cli@v5.0.0-rc.6
# Uninstall @relative-ci/agent@v4
pnpm remove --save-dev @relative-ci/agent
# Install @relative-ci/cli@v5
pnpm add --save-dev @relative-ci/cli@v5.0.0-rc.6

Step 2. Replace CLI usage

Replace usage of relative-ci-agent to relative-ci cli:

build.yaml
# ... GitHub action configuration
- name: Send webpack stats and build information to RelativeCI
- run: npx relative-ci-agent
+ run: npx relative-ci
env:
RELATIVE_CI_KEY: ${{ secrets.RELATIVE_CI_KEY }}