chore: update environment name in workflow and switch to vars for JIRA_BASE_URL

Author: jirhiker

.github/workflows/jira_codex_pr.yml

@@ -38,7 +38,7 @@ jobs:
   implement:
     runs-on: ubuntu-latest
     timeout-minutes: 60
-    environment: staging
+    environment: jira-codex
     steps:
       - name: Checkout
         uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
@@ -94,7 +94,7 @@ jobs:
       - name: Fetch Jira issue JSON
         id: issue
         env:
-          JIRA_BASE_URL: ${{ secrets.JIRA_BASE_URL }}
+          JIRA_BASE_URL: ${{ vars.JIRA_BASE_URL }}
           JIRA_EMAIL: ${{ secrets.JIRA_EMAIL }}
           JIRA_API_TOKEN: ${{ secrets.JIRA_API_TOKEN }}
           JIRA_KEY: ${{ steps.jira.outputs.JIRA_KEY }}
@@ -374,7 +374,7 @@ jobs:
 
       - name: Comment back on Jira with PR link
         env:
-          JIRA_BASE_URL: ${{ secrets.JIRA_BASE_URL }}
+          JIRA_BASE_URL: ${{ vars.JIRA_BASE_URL }}
           JIRA_EMAIL: ${{ secrets.JIRA_EMAIL }}
           JIRA_API_TOKEN: ${{ secrets.JIRA_API_TOKEN }}
           JIRA_KEY: ${{ steps.jira.outputs.JIRA_KEY }}