ci: migrate runs-on to Twilio runner labels

Repoints runs-on to the standard Twilio runner labels for this repo.
Unmapped runners (macOS, matrix expressions, etc.) left as-is.

Author: charlottestjohn

.github/workflows/ci.yml

@@ -7,15 +7,15 @@ on:
   workflow_dispatch:
 jobs:
   cancel_previous:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-large
     steps:
     - uses: styfle/cancel-workflow-action@0.9.1
       with:
         workflow_id: ${{ github.event.workflow.id }}
   build-and-test:
     name: "Test (Node.js v${{ matrix.node-version }})"
     needs: cancel_previous
-    runs-on: 'ubuntu-latest'
+    runs-on: ubuntu-latest-large
     strategy:
       matrix:
         node-version: [ 18, 20, 21 ]

.github/workflows/create_jira.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   create_jira:
     name: Create Jira Ticket
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-large
     environment: IssueTracker
     steps:
     - name: Checkout