Bump the alloy group with 4 updates

Bumps the alloy group with 4 updates: [@alloy-js/cli](https://github.com/alloy-framework/alloy), @alloy-js/core, @alloy-js/typescript and @alloy-js/markdown.


Updates `@alloy-js/cli` from 0.20.0 to 0.21.0
- [Release notes](https://github.com/alloy-framework/alloy/releases)
- [Commits](https://github.com/alloy-framework/alloy/commits)

Updates `@alloy-js/core` from 0.20.0 to 0.21.0

Updates `@alloy-js/typescript` from 0.20.0 to 0.21.0

Updates `@alloy-js/markdown` from 0.20.0 to 0.21.0

---
updated-dependencies:
- dependency-name: "@alloy-js/cli"
  dependency-version: 0.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: alloy
- dependency-name: "@alloy-js/core"
  dependency-version: 0.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: alloy
- dependency-name: "@alloy-js/typescript"
  dependency-version: 0.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: alloy
- dependency-name: "@alloy-js/markdown"
  dependency-version: 0.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: alloy
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packages/emitter-framework/package.json

@@ -55,16 +55,16 @@
   "license": "MIT",
   "description": "",
   "peerDependencies": {
-    "@alloy-js/core": "^0.20.0",
+    "@alloy-js/core": "^0.21.0",
     "@alloy-js/csharp": "^0.20.0",
-    "@alloy-js/typescript": "^0.20.0",
+    "@alloy-js/typescript": "^0.21.0",
     "@typespec/compiler": "workspace:^"
   },
   "devDependencies": {
-    "@alloy-js/cli": "^0.20.0",
-    "@alloy-js/core": "^0.20.0",
+    "@alloy-js/cli": "^0.21.0",
+    "@alloy-js/core": "^0.21.0",
     "@alloy-js/rollup-plugin": "^0.1.0",
-    "@alloy-js/typescript": "^0.20.0",
+    "@alloy-js/typescript": "^0.21.0",
     "@typespec/compiler": "workspace:^",
     "concurrently": "^9.1.2",
     "pathe": "^2.0.3",

packages/http-client-js/package.json

@@ -53,14 +53,14 @@
     "@typespec/rest": "workspace:^"
   },
   "dependencies": {
-    "@alloy-js/core": "^0.20.0",
-    "@alloy-js/typescript": "^0.20.0",
+    "@alloy-js/core": "^0.21.0",
+    "@alloy-js/typescript": "^0.21.0",
     "@typespec/emitter-framework": "workspace:^",
     "@typespec/http-client": "workspace:^",
     "prettier": "~3.6.2"
   },
   "devDependencies": {
-    "@alloy-js/cli": "^0.20.0",
+    "@alloy-js/cli": "^0.21.0",
     "@alloy-js/rollup-plugin": "^0.1.0",
     "@types/yargs": "~17.0.33",
     "@typespec/http": "workspace:^",

packages/http-client/package.json

@@ -23,17 +23,17 @@
     }
   },
   "peerDependencies": {
-    "@alloy-js/core": "^0.20.0",
-    "@alloy-js/typescript": "^0.20.0",
+    "@alloy-js/core": "^0.21.0",
+    "@alloy-js/typescript": "^0.21.0",
     "@typespec/compiler": "workspace:^",
     "@typespec/emitter-framework": "workspace:^",
     "@typespec/http": "workspace:^"
   },
   "devDependencies": {
-    "@alloy-js/cli": "^0.20.0",
-    "@alloy-js/core": "^0.20.0",
+    "@alloy-js/cli": "^0.21.0",
+    "@alloy-js/core": "^0.21.0",
     "@alloy-js/rollup-plugin": "^0.1.0",
-    "@alloy-js/typescript": "^0.20.0",
+    "@alloy-js/typescript": "^0.21.0",
     "@types/node": "~24.3.0",
     "@typespec/compiler": "workspace:^",
     "@typespec/emitter-framework": "workspace:^",

packages/tspd/package.json

@@ -55,9 +55,9 @@
     "!dist/test/**"
   ],
   "dependencies": {
-    "@alloy-js/core": "^0.20.0",
-    "@alloy-js/markdown": "^0.20.0",
-    "@alloy-js/typescript": "^0.20.0",
+    "@alloy-js/core": "^0.21.0",
+    "@alloy-js/markdown": "^0.21.0",
+    "@alloy-js/typescript": "^0.21.0",
     "@microsoft/api-extractor": "^7.52.1",
     "@microsoft/api-extractor-model": "^7.30.6",
     "@microsoft/tsdoc": "^0.15.1",
@@ -71,7 +71,7 @@
     "yargs": "~18.0.0"
   },
   "devDependencies": {
-    "@alloy-js/cli": "^0.20.0",
+    "@alloy-js/cli": "^0.21.0",
     "@alloy-js/rollup-plugin": "^0.1.0",
     "@types/node": "~24.3.0",
     "@types/yargs": "~17.0.33",