[gtk-vnc] Created tag v1.3.0

[Daniel P. Berrange <dberrange src gnome org>]

The signed tag 'v1.3.0' was created.

Tagger: Daniel P. Berrangé <berrange redhat com>
Date: 1637148475 +0000

    Release 1.3.0

Changes since the last tag 'v1.2.0':

Daniel P. Berrangé (8):
      Remove unused variables
      fix missing includes for quartz and broadway GDK backends
      src: pull challenge encryption out into separate helper method
      src: rewrite challenge code to use gnutls
      tools: fix gvnccapture handling of subauth types
      Remove bogus newlines from VNC_DEBUG calls
      The vala-tools package was dropped long ago
      Bump version to 1.3.0 and add release notes

Jakub Janků (5):
      build: improve --with-coroutine=auto choice
      vnc-auth: emit "vnc-auth-failure" for weak key
      vncEncryptBytes2: set connection error and cleanup
      ard: cleanup properly
      ard: set connection error

Mart Raudsepp (1):
      meson: Find python explicitly to honor downstream python choice

Matt Turner (1):
      meson: Fix configuration failure with -Dwith-vala=disabled

Thomas Loimer (1):
      Add a button to rotate the screen