Update .NET Core YAML template

Improve indent for cache paths

lib/gitlab/ci/templates/dotNET-Core.yml

@@ -46,7 +46,7 @@ stages:
 # With global cache rule, cached dependencies will be downloaded before every job
 # and then unpacked to the paths as specified below.
 cache:
-# Per-stage and per-branch caching.
+ # Per-stage and per-branch caching.
  key: "$CI_JOB_STAGE-$CI_COMMIT_REF_SLUG" 
  paths:
   # Specify three paths that should be cached:
@@ -58,7 +58,6 @@ cache:
   - '$SOURCE_CODE_PATH$OBJECTS_DIRECTORY/*.csproj.nuget.*'    
   # 3) Path to the directory where restored dependencies are kept.
   - '$NUGET_PACKAGES_DIRECTORY'   
- #      
  # 'pull-push' policy means that latest cache will be downloaded (if exists) 
  # before executing the job, and a newer version will be uploaded afterwards. 
  # Such setting saves time when there are no changes in referenced third-party