Drop support for node 16

[Dulajdeshan]

fixes #111

• Changes were structured by the logical commits/MRs: one logical change - one commit/MR.
• MR pipeline is green.
• Tests are added/updated (if relevant).
• Change are fully described in the MR description.
• Impact Analysis were provided.
• The related MRs are linked to the current (if relevant).
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Glossary

• ✅ - covered with tests
• 💥 - impacted
• CodeReview process - documentation/CODE_REVIEW.md

Detailed description of changes

• Removed node 16 from package.json node engine support range
• Added node 18 as minimum support node version
• Updated CI/CD workflows with node 18
• Upgraded few dependencies to latest versions
  • @strapi/design-system (1.6.3 -> 1.14.1)
  • @strapi/helper-plugin (4.12.5 -> 4.20.0)
  • @strapi/icons (1.11.0 -> 1.14.1)
  • prop-types (15.7.2 -> 15.8.1)

Impact Analysis

The context of changes (optionally)

Drop node 16 support

A brief description of the essence of your changes.

• Drop node 16 support
• Upgraded few dependencies to latest versions
  • @strapi/design-system (1.6.3 -> 1.14.1)
  • @strapi/helper-plugin (4.12.5 -> 4.20.0)
  • @strapi/icons (1.11.0 -> 1.14.1)
  • prop-types (15.7.2 -> 15.8.1)

How the system components behaved before your changes. ⬅️

• Worked fine

How the system components behave after your changes. ➡️

• Working fine

A description of the impact of your changes on the other parts of the system.

• N/A

An assessment of the impact of your changes on the other parts of the system. 🔄

• N/A

[BorysShulyak]

@Dulajdeshan Great work!