#1: try fix error with ccache dir in azure

Author: tlamonthezie

.azure/pipelines/build-and-test.yml

@@ -110,6 +110,7 @@ jobs:
           $(Agent.OS) | "$(cache_name)"
 
     - bash: |
+        mkdir -p $(CCACHE_DIR)
         WORKSPACE=$(Pipeline.Workspace)/s
         if [[ "$(image)" != "" ]]; then
           WORKSPACE=/workspace