[gnome-builder] meson-templates: bump SDK version to match Builder release

[Christian Hergert <chergert src gnome org>]

commit 93acac19f7255abecd1a109d2f15a0e39c8cefff
Author: Christian Hergert <chergert redhat com>
Date:   Tue Sep 29 11:10:34 2020 -0700

    meson-templates: bump SDK version to match Builder release

 src/plugins/meson-templates/resources/flatpak.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/plugins/meson-templates/resources/flatpak.json 
b/src/plugins/meson-templates/resources/flatpak.json
index da027479f..1bc2d1043 100644
--- a/src/plugins/meson-templates/resources/flatpak.json
+++ b/src/plugins/meson-templates/resources/flatpak.json
@@ -1,7 +1,7 @@
 {
     "app-id" : "{{appid}}",
     "runtime" : "org.gnome.Platform",
-    "runtime-version" : "3.34",
+    "runtime-version" : "3.38",
     "sdk" : "org.gnome.Sdk",
 {{if language == "rust"}}
     "sdk-extensions" : [