refactor: Upgrade to node 16

# Wrap at 72 chars. ################################## which is here: #

# type:
#       fix -> change that do not modify fonctional code but fix an issue
#       feat -> code introduce a new feature
#       refactor -> change that only modify code without introducing feature nor solving bug
#       perf -> change that optimize performance
#       test -> modification impacting testing only
#       ci -> modification on ci
#       docs -> doc update
#
# scope: feature impacted by the changes
#
# append ! if change is breaking
# cf: https://www.conventionalcommits.org/en/v1.0.0/ for more information
#
###### COMMIT SAMPLE ###################################################
# feat(HOOKS): Add commit hooks style validation
#
# To ensure all of Tankyou dev follow commit rules, we wish to enforce
# commit content using commit-msg hook
# This hook will be configured to be installed globally and will be
# triggered on each repository
########################################################################
#
# Title: Summary, imperative, start upper case, don't end with a period (.)
#
# Remember blank line between title and body.
#
# Body: Explain *what* and *why* (not *how*).
#
#
# How to Write a Git Commit Message:
# https://chris.beams.io/posts/git-commit/
#
# 1.Separate subject from body with a blank line
# 2. Limit the subject line to 50 characters
# 3. Capitalize the subject line
# 4. Do not end the subject line with a period
# 5. Use the imperative mood in the subject line
# 6. Wrap the body at 72 characters
# 7. Use the body to explain what and why vs. how
#
# Footer:
# - BREAKING CHANGE: indicate what change are breaking the API and why

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ on:
       - main
 
 env:
-  node_version: "12.x"
+  node_version: "16.x"
   custom_cache_key_element: "${{ github.sha }}-${{ github.run_id }}"
 
 jobs:

action.yml

@@ -3,7 +3,7 @@ name: 'restore or create a python virtualenv'
 description: '1-liner to restore and activate a cached virtualenv, or create a new one.'
 author: 'syphar'
 runs:
-  using: 'node12'
+  using: 'node16'
   main: 'dist/restore/index.js'
   post: 'dist/save/index.js'
   post-if: 'success()'