Update auto_update_preview.yml

Fix for the Slack handle based on https://api.slack.com/reference/surfaces/formatting#mentioning-groups

Author: gricher-crto

.github/workflows/auto_update_preview.yml

@@ -60,11 +60,11 @@ jobs:
         env:
           SLACK_CHANNEL: criteo-api-sdk-generator
           SLACK_COLOR: ${{ job.status }}
-          SLACK_MESSAGE: 'Autoupdate of OAS in Preview. Please check <opened PRs|https://github.com/criteo/criteo-api-sdk-generator/pulls> to validate the change, and publish the artifacts <@S07BSM1MDN2>.'
+          SLACK_MESSAGE: "Autoupdate of OAS in Preview. Please check <https://github.com/criteo/criteo-api-sdk-generator/pulls|opened PRs> to validate the change, and publish the artifacts <!subteam^S07BSM1MDN2>."
           SLACK_USERNAME: sdk-generation-bot
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
-          SLACK_FOOTER: 'Autoupdate of OAS in preview runs daily Monday to Tuesday'
+          SLACK_FOOTER: "Autoupdate of OAS in preview runs daily Monday to Tuesday"
           SLACK_ICON_EMOJI: bell
-          SLACK_LINK_NAMES: 'true'
-          MSG_MINIMAL: 'true'
-          SLACK_MESSAGE_ON_FAILURE: 'Autoupdate of OAS in Preview failure, check <action results|https://github.com/criteo/criteo-api-sdk-generator/actions>.'
+          SLACK_LINK_NAMES: "true"
+          MSG_MINIMAL: "true"
+          SLACK_MESSAGE_ON_FAILURE: "Autoupdate of OAS in Preview failure, check <https://github.com/criteo/criteo-api-sdk-generator/actions|action results>."