housekeeping: migrate to release-it v11 (via #5335)

* housekeeping: migrate to release-it v11

* install `source-map-support`

release/.release-it.json

@@ -1,19 +1,27 @@
 {
-  "use": "pkg.version",
-  "safeBump": false,
-  "beforeChangelogCommand": "./release/check-for-breaking-changes.sh ${latestVersion} ${version}",
-  "changelogCommand": "./release/get-changelog.sh",
-  "buildCommand": "npm update swagger-client && npm run test && npm run build",
-  "increment": "conventional:angular",
-  "src": {
-    "commitMessage": "release: v%s",
-    "tagName": "v%s",
-    "push": false,
-    "afterReleaseCommand": "export GIT_TAG=v${version} && echo GIT_TAG=v${version} > release/.version"
+  "scripts": {
+    "beforeBump": [
+      "./release/check-for-breaking-changes.sh ${latestVersion} ${version}",
+      "npm update swagger-client",
+      "npm test"
+    ],
+    "beforeStage": ["npm run build"],
+    "afterRelease": "export GIT_TAG=v${version} && echo GIT_TAG=v${version} > release/.version"
+  },
+  "git": {
+    "changelog": "./release/get-changelog.sh",
+    "commitMessage": "release: v${version}",
+    "tagName": "v${version}",
+    "push": false
   },
   "github": {
     "release": true,
     "releaseName": "Swagger UI %s Released!",
     "draft": true
+  },
+  "plugins": {
+    "@release-it/conventional-changelog": {
+      "preset": "angular"
+    }
   }
 }