[connections/update-submodule] build: Update gtk-frdp submodule

[Felipe Borges <felipeborges src gnome org>]

commit cd306b140c27155c1046660f9ea5081317dd632a
Author: Felipe Borges <felipeborges gnome org>
Date:   Wed Aug 11 15:24:25 2021 +0200

    build: Update gtk-frdp submodule
    
    Apparently commit 2ee312b90d6324b2165e1b2afbeee349e759cbac wasn't
    enough.

 build-aux/flatpak/org.gnome.Connections.json | 2 +-
 subprojects/gtk-frdp                         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/build-aux/flatpak/org.gnome.Connections.json b/build-aux/flatpak/org.gnome.Connections.json
index 64260fa..d62e71a 100644
--- a/build-aux/flatpak/org.gnome.Connections.json
+++ b/build-aux/flatpak/org.gnome.Connections.json
@@ -80,7 +80,7 @@
                 {
                     "type" : "git",
                     "url" : "https://gitlab.gnome.org/gnome/gtk-frdp.git";,
-                    "branch" : "f591dcf456a1e126c0cdf6e49d436485556d8999"
+                    "branch" : "c75d6fec92b55946692bf4a9b932d15d643f4f6f"
                 }
             ]
         },
diff --git a/subprojects/gtk-frdp b/subprojects/gtk-frdp
index f591dcf..c75d6fe 160000
--- a/subprojects/gtk-frdp
+++ b/subprojects/gtk-frdp
@@ -1 +1 @@
-Subproject commit f591dcf456a1e126c0cdf6e49d436485556d8999
+Subproject commit c75d6fec92b55946692bf4a9b932d15d643f4f6f