chore(deps): update @slack/oauth requirement from ^3.0.2 to ^3.0.3

Updates the requirements on [@slack/oauth](https://github.com/slackapi/node-slack-sdk) to permit the latest version.
- [Release notes](https://github.com/slackapi/node-slack-sdk/releases)
- [Commits](https://github.com/slackapi/node-slack-sdk/compare/@slack/oauth@3.0.2...@slack/oauth@3.0.3)

---
updated-dependencies:
- dependency-name: "@slack/oauth"
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -43,7 +43,7 @@
   },
   "dependencies": {
     "@slack/logger": "^4.0.0",
-    "@slack/oauth": "^3.0.2",
+    "@slack/oauth": "^3.0.3",
     "@slack/socket-mode": "^2.0.4",
     "@slack/types": "^2.13.0",
     "@slack/web-api": "^7.8.0",