feat(icons): add shield-lock icon (#3508)

* feat: add shield-lock icon

* Update icons/shield-lock.json

use more descriptive tags

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Update icons/shield-lock.json

added space between tag

Co-authored-by: Karsa <contact@karsa.org>

* fix: added valid shield-lock icon

* fix(icons): changed `spade` icon (#3502)

* Updated icons/spade.svg

* Updated icons/spade.json

* fix: added modified shield-lock icon

* feat(icons):added shield-lock icon

* feat(icons):added shield-lock icon (centered)

* fix(icons): align shield with base icon

* feat(icons): fill in missing metadata

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Karsa <contact@karsa.org>

icons/shield-lock.json

@@ -0,0 +1,37 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "caisere",
+    "karsa-mistmere"
+  ],
+  "use-cases": [
+    "encryption settings",
+    "secure login",
+    "privacy controls",
+    "security software",
+    "secure file storage"
+  ],
+  "tags": [
+    "antivirus",
+    "authentication",
+    "authorization",
+    "credentials",
+    "cybersecurity",
+    "data protection",
+    "defense",
+    "encryption",
+    "guard",
+    "login",
+    "password",
+    "privacy",
+    "safeguard",
+    "ssl",
+    "tls",
+    "two-factor authentication",
+    "verification",
+    "vpn"
+  ],
+  "categories": [
+    "security"
+  ]
+}

icons/shield-lock.svg

@@ -0,0 +1,15 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M20 9.807V6a1 1 0 00-1-1c-2 0-4.49-1.19-6.24-2.72a1.17 1.17 0 00-1.52 0C9.5 3.8 7 5 5 5a1 1 0 00-1 1v7c0 3.88 2.107 6.254 5 7.796" />
+  <path d="M19 17v-2a2 2 0 00-4 0v2" />
+  <rect x="13" y="17" width="8" height="5" rx="1" />
+</svg>