Update dependency gitlab-ci-utils/gitlab-ci-templates to v2

This MR contains the following updates:

Package	Type	Update	Change
gitlab-ci-utils/gitlab-ci-templates	repository	major	1.4.0 -> 2.0.0

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Release Notes

gitlab-ci-utils/gitlab-ci-templates

v2.0.0

Compare Source

Changed

• BREAKING: Updated node LTS jobs to v16 since now the active LTS (#​149)
• BREAKING: Updated all node jobs to leverage .node template, which is pinned to the active version. (#​149)
• Updated GitLab job overrides for GitLab 14.4 (#​150)

Miscellaneous

• Added comments to code_count job (#​151)

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