Update build-cached-cves action with new SLACK_WEBHOOK value (#9460) (#9496)

(cherry picked from commit cfafd2d)

Co-authored-by: svetlana-efimova <[email protected]>

Author: vault-token-factory-spectrocloud[bot]

.github/actions/build-cached-cves/action.yaml

@@ -58,7 +58,7 @@ runs:
     - name: Slack Notification
       uses: rtCamp/[email protected]
       env:
-        SLACK_WEBHOOK: ${{ inputs.slack-webhook }}
+        SLACK_WEBHOOK: ${{ secrets.SLACK_PRIVATE_TEAM_WEBHOOK }}
         SLACK_USERNAME: "spectromate"
         SLACK_ICON_EMOJI: ":robot_panic:"
         SLACK_COLOR: ${{ job.status }}