chore(deps): bump com.slack.api:slack-api-model from 1.40.2 to 1.40.3

Bumps [com.slack.api:slack-api-model](https://github.com/slackapi/java-slack-sdk) from 1.40.2 to 1.40.3.
- [Release notes](https://github.com/slackapi/java-slack-sdk/releases)
- [Changelog](https://github.com/slackapi/java-slack-sdk/blob/main/jSlack_changelog.md)
- [Commits](slackapi/java-slack-sdk@v1.40.2...v1.40.3)

---
updated-dependencies:
- dependency-name: com.slack.api:slack-api-model
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -95,7 +95,7 @@ dependencies {
     implementation 'io.ipinfo:ipinfo-api:3.0.0' // IPInfo API
 
     // Slack
-    implementation 'com.slack.api:slack-api-model:1.40.2'
+    implementation 'com.slack.api:slack-api-model:1.40.3'
     implementation 'com.slack.api:slack-api-client:1.40.2'
     implementation 'com.slack.api:slack-app-backend:1.39.0'