switch back to hosted macOS nodes (#5935)

CHANGELOG_BEGIN
CHANGELOG_END

azure-pipelines.yml

@@ -124,7 +124,7 @@ jobs:
       - check_for_release
     timeoutInMinutes: 360
     pool:
-      vmImage: macOS-10.14
+      name: macOS-pool
     variables:
       release_sha: $[ dependencies.check_for_release.outputs['out.release_sha'] ]
       release_tag: $[ coalesce(dependencies.check_for_release.outputs['out.release_tag'], '0.0.0') ]
@@ -205,7 +205,7 @@ jobs:
       - check_for_release
     timeoutInMinutes: 60
     pool:
-      vmImage: macOS-10.14
+      name: macOS-pool
     steps:
       - template: ci/report-start.yml
       - checkout: self

ci/cron/daily-compat.yml

@@ -25,32 +25,14 @@ schedules:
 jobs:
   - job: compatibility
     timeoutInMinutes: 240
+    strategy:
+      matrix:
+        linux:
+          pool: linux-pool
+        macos:
+          pool: macOS-pool
     pool:
-      name: linux-pool
-    steps:
-      - checkout: self
-      - template: ../compatibility.yml
-      - bash: |
-          set -euo pipefail
-          COMMIT_TITLE=$(git log --pretty=format:%s -n1)
-          COMMIT_LINK="<https://dev.azure.com/digitalasset/daml/_build/results?buildId=$(Build.BuildId)|$COMMIT_TITLE>"
-          if [ "$(Agent.JobStatus)" != "Succeeded" ]; then
-              MESSAGE=":fire: <!here> :fire: :fire:\n$(Agent.JobName) *FAILED*: $COMMIT_LINK\n:fire: :fire:"
-          else
-              MESSAGE="$(Agent.JobName) passed: $COMMIT_LINK"
-          fi
-          curl -XPOST \
-               -i \
-               -H 'Content-type: application/json' \
-               --data "{\"text\":\"$MESSAGE\n\"}" \
-               $(Slack.team-daml)
-        displayName: report
-        condition: always()
-
-  - job: compatibility
-    timeoutInMinutes: 240
-    pool:
-      vmImage: macos-10.14
+      name: $(pool)
     steps:
       - checkout: self
       - template: ../compatibility.yml