Update spice-common submodule

This brings in the following changes:

Christophe Fergeau (20):
      build: Update git.mk to latest version
      build: Remove docs/.gitignore
      build: Add __pycache__/*.pyc to DISTCLEANFILES
      log: Only install glib log handler if SPICE_DEBUG_LEVEL is set
      test-logging: Improve debug level tests
      test-region: Use GTest API
      test-region: Replace direct printf with g_debug() calls
      test-region: Don't call region_dump() by default
      test-region: Remove unneeded printf
      test-region: Replace spice_assert() with g_assert_true()
      test-region: Add g_assert() checks
      snd: Replace spice_printerr() use with g_warning
      swcanvas: Remove canvas_create()
      meson: Remove '(default: xxx)' from option description
      log: Remove SPICE_DISABLE_ABORT
      common: Remove spice_abort()
      build: Remove spice_common.h
      pixman: Use g_error() rather than g_abort()
      build: Define GLIB_VERSION_MIN_REQUIRED/GLIB_VERSION_MAX_ALLOWED
      quic: Wrap declaration/call of quic method in macros

Christophe de Dinechin (1):
      Add SPICE_ATTR_NORETURN on prototype of error functions

Eduardo Lima (Etrunko) (4):
      meson: Enable '-std=c99' build flag
      meson: Cleanup optional dependency checks
      Update gitlab-ci to use meson
      test-region: Decrease loop count by a factor of 10

Frediano Ziglio (36):
      test-quic: Allows to specify multiple images to test
      canvas_base: Rework DUMP_JPEG debugging
      test-quic: Increase test timeout using Meson
      ssl_verify: Fix build for newer LibreSSL
      Revert "ssl_verify: Fix build for newer LibreSSL"
      ssl_verify: Fix build for newer LibreSSL
      test-region: Create proper test for region from source code
      marshaller: Fix a possible leak
      canvas_base: Make sure top_down is a boolean
      marshal: Fix a bug with zero attribute
      ptypes: Improve some attribute documentation
      build: Reuse TEST_MARSHALLERS macro
      build: Reindent macros
      log: Remove spice_printerr macro
      test-marshallers: Check for "zero" attribute
      quic: Call encode from golomb_coding
      canvas_base: Fix minor indentation issues
      canvas_base: Avoid misaligned access decoding LZ4 data
      meson: Remove -std=c99
      quic: Add UPDATE_MODEL_COMP macro to iterate over channels
      quic: Rework PIXEL_A/PIXEL_B macros
      quic: Add SAME_PIXEL macro
      quic: Make {UN, }COMPRESS_xx macros closer
      quic: Add missing #undef SET_a/GET_a
      quic: Call directly encode_state_run from templates.
      quic: Add CORRELATE*/DECORRELATE* macros
      quic: Add APPLY_ALL_COMP macro to iterate over channels
      quic: Move all golomb decoding macros in a single place
      quic: Add DECLARE_*_VARIABLES macros
      quic: Introduce COPY_PIXEL macro
      quic: Reorder macro declarations
      quic: Unify rgb/non-rgb macro declarations
      quic: Remove duplicate file
      canvas_base: Check for overflows decoding LZ4
      canvas_base: Change spice_warning to g_warning
      tests: Join test-overflow and test-marshallers

Snir Sheriber (1):
      protocol: Add support for h265 video codec

Signed-off-by: Lukáš Hrázký <lhrazky@redhat.com>
Acked-by: Frediano Ziglio <fziglio@redhat.com>