Bump to ubuntu-20.04 (release-2.2) (#3580)

Bump to ubuntu-20.04.

Signed-off-by: David Enyeart <[email protected]>

Author: denyeart

ci/azure-pipelines-merge.yml

@@ -16,7 +16,7 @@ variables:
 jobs:
   - job: UnitTests
     pool:
-      vmImage: ubuntu-18.04
+      vmImage: ubuntu-20.04
     steps:
       - template: install_deps.yml
       - checkout: self

ci/azure-pipelines-release.yml

@@ -20,7 +20,7 @@ stages:
     jobs:
       - job: Build
         pool:
-          vmImage: ubuntu-18.04
+          vmImage: ubuntu-20.04
         container: golang:$(GOVER)
         strategy:
           matrix:
@@ -46,7 +46,7 @@ stages:
     jobs:
       - job: Docker
         pool:
-          vmImage: ubuntu-18.04
+          vmImage: ubuntu-20.04
         steps:
           - template: install_deps.yml
           - checkout: self
@@ -66,7 +66,7 @@ stages:
     jobs:
       - job: Release
         pool:
-          vmImage: ubuntu-18.04
+          vmImage: ubuntu-20.04
         steps:
           - download: current
             patterns: '*.tar.gz'

ci/azure-pipelines.yml

@@ -19,7 +19,7 @@ stages:
     jobs:
       - job: Checks
         pool:
-          vmImage: ubuntu-18.04
+          vmImage: ubuntu-20.04
         steps:
           - template: install_deps.yml
           - checkout: self
@@ -36,7 +36,7 @@ stages:
       - job: UnitTests
         condition: eq(stageDependencies.VerifyBuild.Checks.outputs['SetJobTriggers.runTests'], 'true')
         pool:
-          vmImage: ubuntu-18.04
+          vmImage: ubuntu-20.04
         steps:
           - template: install_deps.yml
           - checkout: self
@@ -53,7 +53,7 @@ stages:
       - job: IntegrationTests
         condition: eq(stageDependencies.VerifyBuild.Checks.outputs['SetJobTriggers.runTests'], 'true')
         pool:
-          vmImage: ubuntu-18.04
+          vmImage: ubuntu-20.04
         strategy:
           parallel: 5
         timeoutInMinutes: 90