[gnome-build-meta/juerg/strip-variables] project.conf: Add configuration for git_tag plugin

[Jürg Billeter <juergbi src gnome org>]

commit 0fe2f3bc9b9fef35849dc2e9fd09d886dbaffb2d
Author: Jürg Billeter <j bitron ch>
Date:   Sun Feb 10 15:15:36 2019 +0100

    project.conf: Add configuration for git_tag plugin

 project.conf | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/project.conf b/project.conf
index a23c21f9..cd807509 100644
--- a/project.conf
+++ b/project.conf
@@ -153,6 +153,9 @@ sources:
   git:
     config:
       checkout-submodules: False
+  git_tag:
+    config:
+      checkout-submodules: False
 
 split-rules:
   devel:
@@ -306,3 +309,5 @@ plugins:
   elements:
     flatpak_image: 0
     flatpak_repo: 0
+  sources:
+    git_tag: 0