enable terminal prompts by default?

Author: scbedd

tools/test-proxy/tests.yml

@@ -36,6 +36,7 @@ stages:
             GIT_TOKEN: $(azuresdk-github-pat)
             GIT_COMMIT_OWNER: azure-sdk
             GIT_COMMIT_EMAIL: [email protected]
+            GIT_TERMINAL_PROMPT: 1
 
         - task: PublishTestResults@2
           condition: succeededOrFailed()
@@ -78,6 +79,7 @@ stages:
               GIT_TOKEN: $(azuresdk-github-pat)
               GIT_COMMIT_OWNER: azure-sdk
               GIT_COMMIT_EMAIL: [email protected]
+              GIT_TERMINAL_PROMPT: 1
 
     - job: Docker_CLI_Integration_Test