feat(icons): added shield-user icon

[sebinemeth]

closes #2600

What is the purpose of this pull request?

• New Icon

Description

Added new shield-user icon.

Icon use case

Access to admin area, mark user as admin/elevated access rights

Alternative icon designs

Icon Design Checklist

Concept

• I have provided valid use cases for each icon.
• I have not added any a brand or logo icon.
• I have not used any hate symbols.
• I have not included any religious or political imagery.

Author, credits & license

• The icons are solely my own creation.
• The icons were originally created in Shield-user icon #2600 by @sebinemeth
• I've based them on the following Lucide icons: shield, user
• I've based them on the following design:

Naming

• I've read and followed the naming conventions
• I've named icons by what they are rather than their use case.
• I've provided meta JSON files in icons/[iconName].json.

Design

• I've read and followed the icon design guidelines
• I've made sure that the icons look sharp on low DPI displays.
• I've made sure that the icons look consistent with the icon set in size, optical volume and density.
• I've made sure that the icons are visually centered.
• I've correctly optimized all icons to three points of precision.

Before Submitting

• I've read the Contribution Guidelines.
• I've checked if there was an existing PR that solves the same issue.

[github-actions]

Added or changed icons

Preview cohesion

Preview stroke widths

DPI Preview (24px)

Icon X-rays

Icon Diffs

Icons as code

Works for: lucide-react, lucide-react-native, lucide-preact, lucide-vue-next

const ShieldUserIcon = createLucideIcon('ShieldUser', [
  ["path",{"d":"M15 15a3 3 0 1 0-6 0"}],
  ["path",{"d":"M20 13c0 5-3.5 7.5-7.66 8.95a1 1 0 0 1-.67-.01C7.5 20.5 4 18 4 13V6a1 1 0 0 1 1-1c2 0 4.5-1.2 6.24-2.72a1.17 1.17 0 0 1 1.52 0C14.51 3.81 17 5 19 5a1 1 0 0 1 1 1z"}],
  ["circle",{"cx":"12","cy":"10","r":"2"}]
])