Update dependency @slack/bolt to v3.22.0

package-lock.json

@@ -84,15 +84,14 @@
       "license": "MIT"
     },
     "node_modules/@slack/bolt/node_modules/form-data": {
-      "version": "2.5.2",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.5.2.tgz",
-      "integrity": "sha512-GgwY0PS7DbXqajuGf4OYlsrIu3zgxD6Vvql43IBhm6MahqA5SK/7mwhtNj2AdH2z35YR34ujJ7BN+3fFC3jP5Q==",
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.5.1.tgz",
+      "integrity": "sha512-m21N3WOmEEURgk6B9GLOE4RuWOFf28Lhh9qGYeNlGq4VDXUlJy2th2slBNU8Gp8EzloYZOibZJ7t5ecIrFSjVA==",
       "license": "MIT",
       "dependencies": {
         "asynckit": "^0.4.0",
         "combined-stream": "^1.0.6",
-        "mime-types": "^2.1.12",
-        "safe-buffer": "^5.2.1"
+        "mime-types": "^2.1.12"
       },
       "engines": {
         "node": ">= 0.12"