Bump tailwindcss from 4.1.18 to 4.2.1

Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/tailwindcss) from 4.1.18 to 4.2.1.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.2.1/packages/tailwindcss)

---
updated-dependencies:
- dependency-name: tailwindcss
  dependency-version: 4.2.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -11,7 +11,7 @@
       "devDependencies": {
         "@tailwindcss/cli": "4.1.18",
         "http-server": "14.1.1",
-        "tailwindcss": "4.1.18"
+        "tailwindcss": "4.2.1"
       }
     },
     "node_modules/@jridgewell/gen-mapping": {
@@ -392,6 +392,13 @@
         "tailwindcss": "dist/index.mjs"
       }
     },
+    "node_modules/@tailwindcss/cli/node_modules/tailwindcss": {
+      "version": "4.1.18",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.1.18.tgz",
+      "integrity": "sha512-4+Z+0yiYyEtUVCScyfHCxOYP06L5Ne+JiHhY2IjR2KWMIWhJOYZKLSGZaP5HkZ8+bY0cxfzwDE5uOmzFXyIwxw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@tailwindcss/node": {
       "version": "4.1.18",
       "resolved": "https://registry.npmjs.org/@tailwindcss/node/-/node-4.1.18.tgz",
@@ -408,6 +415,13 @@
         "tailwindcss": "4.1.18"
       }
     },
+    "node_modules/@tailwindcss/node/node_modules/tailwindcss": {
+      "version": "4.1.18",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.1.18.tgz",
+      "integrity": "sha512-4+Z+0yiYyEtUVCScyfHCxOYP06L5Ne+JiHhY2IjR2KWMIWhJOYZKLSGZaP5HkZ8+bY0cxfzwDE5uOmzFXyIwxw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@tailwindcss/oxide": {
       "version": "4.1.18",
       "resolved": "https://registry.npmjs.org/@tailwindcss/oxide/-/oxide-4.1.18.tgz",
@@ -1663,9 +1677,9 @@
       }
     },
     "node_modules/tailwindcss": {
-      "version": "4.1.18",
-      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.1.18.tgz",
-      "integrity": "sha512-4+Z+0yiYyEtUVCScyfHCxOYP06L5Ne+JiHhY2IjR2KWMIWhJOYZKLSGZaP5HkZ8+bY0cxfzwDE5uOmzFXyIwxw==",
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.2.1.tgz",
+      "integrity": "sha512-/tBrSQ36vCleJkAOsy9kbNTgaxvGbyOamC30PRePTQe/o1MFwEKHQk4Cn7BNGaPtjp+PuUrByJehM1hgxfq4sw==",
       "dev": true,
       "license": "MIT"
     },