chore(deps-dev): bump @types/chai from 4.3.20 to 5.2.3

Bumps [@types/chai](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/chai) from 4.3.20 to 5.2.3.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/chai)

---
updated-dependencies:
- dependency-name: "@types/chai"
  dependency-version: 5.2.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/cli-test/package.json

@@ -41,7 +41,7 @@
   },
   "devDependencies": {
     "@tsconfig/recommended": "^1.0.6",
-    "@types/chai": "^4.3.16",
+    "@types/chai": "^5.2.3",
     "@types/mocha": "^10.0.6",
     "@types/node": "^25.0.3",
     "@types/sinon": "^21.0.0",

packages/oauth/package.json

@@ -48,7 +48,7 @@
     "jsonwebtoken": "^9"
   },
   "devDependencies": {
-    "@types/chai": "^4",
+    "@types/chai": "^5",
     "@types/mocha": "^10",
     "@types/sinon": "^21",
     "c8": "^10.1.2",

packages/rtm-api/package.json

@@ -55,7 +55,7 @@
     "ws": "^8"
   },
   "devDependencies": {
-    "@types/chai": "^4",
+    "@types/chai": "^5",
     "@types/mocha": "^10",
     "@types/sinon": "^17",
     "@types/ws": "^8",

packages/socket-mode/package.json

@@ -59,7 +59,7 @@
   },
   "devDependencies": {
     "@tsconfig/recommended": "^1.0.7",
-    "@types/chai": "^4",
+    "@types/chai": "^5",
     "@types/mocha": "^10",
     "@types/proxyquire": "^1.3.31",
     "@types/sinon": "^21",

packages/web-api/package.json

@@ -65,7 +65,7 @@
   "devDependencies": {
     "@tsconfig/recommended": "^1",
     "@types/busboy": "^1.5.4",
-    "@types/chai": "^4",
+    "@types/chai": "^5",
     "@types/mocha": "^10",
     "@types/sinon": "^21",
     "busboy": "^1",

packages/webhook/package.json

@@ -47,7 +47,7 @@
     "axios": "^1.13.5"
   },
   "devDependencies": {
-    "@types/chai": "^4.3.5",
+    "@types/chai": "^5.2.3",
     "@types/mocha": "^10.0.1",
     "c8": "^10.1.3",
     "chai": "^4.3.8",