bump slack api & axios (#1439)

Author: josephjclark

package.json

@@ -25,7 +25,7 @@
   "license": "ISC",
   "devDependencies": {
     "@changesets/cli": "^2.30.0",
-    "@slack/web-api": "^7.15.0",
+    "@slack/web-api": "^7.16.0",
     "@swc-node/register": "^1.11.1",
     "@types/gunzip-maybe": "^1.4.3",
     "@types/semver": "~7.5.8",