Update pull-request-pipeline.yml for Azure Pipelines

yaml is the best language to do things in

pull-request-pipeline.yml

@@ -36,18 +36,18 @@ steps:
       testResultsFiles: '**/surefire-reports/TEST-*.xml'
       goals: 'package'
 
-- task: Maven@3
-  inputs:
-    mavenPomFile: 'pom.xml'
-    goals: 'exec:exec'
-    options: '-pl org.hl7.fhir.validation.cli'
-    publishJUnitResults: false
-    testResultsFiles: '**/surefire-reports/TEST-*.xml'
-    javaHomeOption: 'JDKVersion'
-    mavenVersionOption: 'Default'
-    mavenAuthenticateFeed: false
-    effectivePomSkip: false
-    sonarQubeRunAnalysis: false
+  - task: Maven@3
+    inputs:
+      mavenPomFile: 'pom.xml'
+      goals: 'exec:exec'
+      options: '-pl org.hl7.fhir.validation.cli'
+      publishJUnitResults: false
+      testResultsFiles: '**/surefire-reports/TEST-*.xml'
+      javaHomeOption: 'JDKVersion'
+      mavenVersionOption: 'Default'
+      mavenAuthenticateFeed: false
+      effectivePomSkip: false
+      sonarQubeRunAnalysis: false
 
   # Upload test results to codecov    
   - script: bash <(curl https://codecov.io/bash) -t $(codecov)