fix(release): support full semantic-versioning specifcation (with prerelease and build metadata)

templates/gitlab-ci-python.yml

@@ -240,7 +240,7 @@ variables:
   # default integration ref name (pattern)
   INTEG_REF: '/^develop$/'
   # default release tag name (pattern)
-  RELEASE_REF: '/^v?[0-9]+\.[0-9]+\.[0-9]+$/'
+  RELEASE_REF: '/^v?[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9-\.]+)?(\+[a-zA-Z0-9-\.]+)?$/'
 
   # compileall
   PYTHON_COMPILE_ARGS: $[[ inputs.compile-args ]]
@@ -622,7 +622,7 @@ variables:
     elif [[ -f "Pipfile" ]]
     then
       log_info "--- Build system auto-detected: Pipenv"
-      export PYTHON_BUILD_SYSTEM="pipenv"
+      export "pipenv"
     else
       log_error "--- Build system auto-detect failed: please read template doc"
       exit 1