Merge from Debian unstable.

Summary:
Merged from Debian Unstable.
Updated debhelper-compat.
Updated Standards-version.

Test Plan:
Ensure all architectures build.
Snap some screenshots.

Reviewers: wxl, teward

Reviewed By: wxl

Differential Revision: https://phab.lubuntu.me/D109

debian/changelog

@@ -1,3 +1,17 @@
+screengrab (2.1.0-1ubuntu1) hirsute; urgency=medium
+
+  * Merge from Debian unstable. Remaining changes:
+    - Bump debhelper-compat (=13).
+    - Update Standards-version to 4.5.1, no changes needed.
+
+ -- Dan Simmons <kc2bez@lubuntu.me>  Sun, 21 Feb 2021 20:04:40 -0500
+
+screengrab (2.1.0-1) unstable; urgency=medium
+
+  * New upstream release.
+
+ -- Andrew Lee (李健秋) <ajqlee@debian.org>  Thu, 07 Jan 2021 17:21:24 +0800
+
 screengrab (2.0.1-0ubuntu1) groovy; urgency=medium
 
   [ apt-ghetto ]

debian/control

@@ -6,7 +6,7 @@ Uploaders: Alf Gaida <agaida@siduction.org>,
            Andrew Lee (李健秋) <ajqlee@debian.org>
 Section: graphics
 Priority: optional
-Build-Depends: debhelper-compat (= 12),
+Build-Depends: debhelper-compat (= 13),
                libkf5windowsystem-dev,
                libqt5svg5-dev,
                libqt5x11extras5-dev,
@@ -17,7 +17,7 @@ Build-Depends: debhelper-compat (= 12),
                libxcb-xfixes0-dev [!kfreebsd-any],
                libxcb1-dev,
                lxqt-build-tools
-Standards-Version: 4.5.0
+Standards-Version: 4.5.1
 Vcs-Browser: https://phab.lubuntu.me/source/screengrab/
 Vcs-Git: https://phab.lubuntu.me/source/screengrab.git
 XS-Debian-Vcs-Browser: https://salsa.debian.org/lxqt-team/screengrab