Pass environment as input to shared triage workflow

The `environment` property cannot be set at the job level when using
`uses:` to call a reusable workflow. Pass it as a workflow input instead.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: BagToad

.github/workflows/triage.yml

@@ -14,10 +14,10 @@ on:
 jobs:
   discuss:
     if: github.event.action == 'labeled' && github.event.label.name == 'discuss'
-    environment: cli-discuss-automation
     uses: desktop/gh-cli-and-desktop-shared-workflows/.github/workflows/triage-discuss.yml@main
     with:
       target_repo: 'github/cli'
       cc_team: '@github/cli'
+      environment: cli-discuss-automation
     secrets:
       discussion_token: ${{ secrets.CLI_DISCUSSION_TRIAGE_TOKEN }}