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

Author: jirhiker

.github/workflows/jira_codex_pr.yml

@@ -94,7 +94,7 @@ jobs:
       - name: Fetch Jira issue JSON
         id: issue
         env:
-          JIRA_BASE_URL: ${{ vars.JIRA_BASE_URL }}
+          JIRA_BASE_URL: "https://nmbgmr.atlassian.net"
           JIRA_EMAIL: ${{ secrets.JIRA_EMAIL }}
           JIRA_API_TOKEN: ${{ secrets.JIRA_API_TOKEN }}
           JIRA_KEY: ${{ steps.jira.outputs.JIRA_KEY }}
@@ -388,7 +388,7 @@ jobs:
 
       - name: Comment back on Jira with PR link
         env:
-          JIRA_BASE_URL: ${{ vars.JIRA_BASE_URL }}
+          JIRA_BASE_URL: "https://nmbgmr.atlassian.net"
           JIRA_EMAIL: ${{ secrets.JIRA_EMAIL }}
           JIRA_API_TOKEN: ${{ secrets.JIRA_API_TOKEN }}
           JIRA_KEY: ${{ steps.jira.outputs.JIRA_KEY }}