Update dependency @slack/bolt to v3.21.4

package-lock.json

@@ -16,9 +16,9 @@
       }
     },
     "node_modules/@slack/bolt": {
-      "version": "3.21.3",
-      "resolved": "https://registry.npmjs.org/@slack/bolt/-/bolt-3.21.3.tgz",
-      "integrity": "sha512-Xoa5kd1ffte902xVMgAaTOy0/CTq7d4aW38/0jcYQ3QOlPSBcTn6eqLiUjxmpzaFowzL54VxiNtNvkQcCrZdug==",
+      "version": "3.21.4",
+      "resolved": "https://registry.npmjs.org/@slack/bolt/-/bolt-3.21.4.tgz",
+      "integrity": "sha512-4PqOuHXcVt8KxjKiLdLIqZp8285zdiYLj7HrrKvVHnUNbkD0l16HZxtMfIEe07REQ+vmM1mrqCiZqe9dPAMucA==",
       "license": "MIT",
       "dependencies": {
         "@slack/logger": "^4.0.0",
@@ -31,14 +31,14 @@
         "@types/tsscmp": "^1.0.0",
         "axios": "^1.7.4",
         "express": "^4.16.4",
-        "path-to-regexp": "^6.2.1",
+        "path-to-regexp": "^8.1.0",
         "promise.allsettled": "^1.0.2",
         "raw-body": "^2.3.3",
         "tsscmp": "^1.0.6"
       },
       "engines": {
-        "node": ">=12.13.0",
-        "npm": ">=6.12.0"
+        "node": ">=14.21.3",
+        "npm": ">=6.14.18"
       }
     },
     "node_modules/@slack/bolt/node_modules/@slack/web-api": {
@@ -1935,10 +1935,13 @@
       }
     },
     "node_modules/path-to-regexp": {
-      "version": "6.2.2",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-6.2.2.tgz",
-      "integrity": "sha512-GQX3SSMokngb36+whdpRXE+3f9V8UzyAorlYvOGx87ufGHehNTn5lCxrKtLyZ4Yl/wEKnNnr98ZzOwwDZV5ogw==",
-      "license": "MIT"
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-8.1.0.tgz",
+      "integrity": "sha512-Bqn3vc8CMHty6zuD+tG23s6v2kwxslHEhTj4eYaVKGIEB+YX/2wd0/rgXLFD9G9id9KCtbVy/3ZgmvZjpa0UdQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=16"
+      }
     },
     "node_modules/possible-typed-array-names": {
       "version": "1.0.0",