gnu: python-gst: Update to 1.19.2.

* gnu/packages/gstreamer.scm (python-gst): Update to 1.19.2.
[meson]: Use meson-0.55.

gnu: gst-editing-services: Update to 1.19.2.

* gnu/packages/gstreamer.scm (gst-editing-services): Update to 1.19.2.
[meson]: Use meson-0.55.

gnu: gst-libav: Update to 1.19.2.

* gnu/packages/gstreamer.scm (gst-libav): Update to 1.19.2.
[source]: Re-indent origin.  Delete patches field.
[meson]: Use meson-0.55.
* gnu/packages/patches/gst-libav-64channels-stack-corruption.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): De-register it.

gnu: gst-plugins-ugly: Update to 1.19.2.

* gnu/packages/gstreamer.scm (gst-plugins-ugly): Update to 1.19.2.  Delete
trailing #t.
[patches]: Delete field.
[meson]: Use meson-0.55.
* gnu/packages/patches/gst-plugins-ugly-fix-out-of-bound-reads.patch: Delete
file.
* gnu/local.mk (dist_patch_DATA): De-register it.

gnu: gst-plugins-bad: Update to 1.19.2.

* gnu/packages/gstreamer.scm (gst-plugins-bad): Update to 1.19.2.
* gnu/packages/patches/gst-plugins-bad-fix-overflow.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): De-register it.

gnu: zxing-cpp: Update to 1.2.0.

* gnu/packages/aidc.scm (zxing-cpp): Update to 1.2.0.  Remove trailing #t.
[native-inputs]: Remove field.
[out-of-source?]: Remove argument.
[tests?]: Set to #f.
[configure-flags]: New argument.
[phases]: Remove argument.

gnu: gst-plugins-good: Update to 1.19.2.

* gnu/packages/gstreamer.scm (gst-plugins-good): Update to 1.19.2.  Remove
trailing #t.
[patches]: Remove.
[meson]: Use meson-0.55.
* gnu/packages/patches/gst-plugins-good-CVE-2021-3497.patch: Delete file.
* gnu/packages/patches/gst-plugins-good-CVE-2021-3498.patch: Likewise.
* gnu/packages/patches/gst-plugins-good-fix-test.patch: Likewise.
* gnu/local.mk: De-register them.

gnu: gst-plugins-base: Update to 1.19.2.

* gnu/packages/gstreamer.scm (gst-plugins-base): Update to 1.19.2
[origin]: Delete patches field.  Remove trailing #t.
[meson]: Use meson-0.55.
* gnu/packages/patches/gst-plugins-base-fix-id3v2-invalid-read.patch: Delete.
* gnu/local.mk (dist_patch_DATA): De-register.

gnu: gstreamer: Update to 1.19.2.

* gnu/packages/gstreamer.scm (gstreamer): Update to 1.19.2.
[meson]: Use meson-0.55.
[phases]{disable-some-tests}: Delete phase.

gnu: gstreamer-docs: Update to 1.19.2.

* gnu/packages/gstreamer.scm (gstreamer-docs): Update to 1.19.2.  Remove
trailing #t.

gnu: python-sphinx: Update to 4.2.0.

* gnu/packages/sphinx.scm (python-sphinx): Update to 4.2.0.

gnu: python-sphinxcontrib-serializinghtml: Update to 1.1.5.

* gnu/packages/sphinx.scm (python-sphinxcontrib-serializinghtml): Update to 1.1.5.

gnu: python-sphinxcontrib-htmlhelp: Update to 2.0.0.

* gnu/packages/sphinx.scm (python-sphinxcontrib-htmlhelp): Update to 2.0.0.

Merge remote-tracking branch 'origin/master' into staging

With resolved conflicts in:
	gnu/packages/bittorrent.scm
	gnu/packages/databases.scm
	gnu/packages/geo.scm
	gnu/packages/gnupg.scm
	gnu/packages/gstreamer.scm
	gnu/packages/gtk.scm
	gnu/packages/linux.scm
	gnu/packages/python-xyz.scm
	gnu/packages/xorg.scm
	guix/build/qt-utils.scm

installer: Fix typo in docstrings.

* gnu/packages/gnu/installer/parted.scm
(force-user-partitions-formatting, format-user-partitions):
Fix ‘formating’ docstring typo.

gnu: emacs-filladapt: Fix typo in description.

* gnu/packages/emacs-xyz.scm (emacs-filladapt)[description]:
Fix ‘funtions’ typo.

gnu: rtl8812au-aircrack-ng-linux-module: Inherit from rtl8821ce-linux-module.

* gnu/packages/linux.scm (rtl8812au-aircrack-ng-linux-module): Inherit
from the rtl8821ce-linux-module package and remove duplicate fields.

gnu: rtl8821ce-linux-module: Honour PARALLEL-BUILD?.

* gnu/packages/linux.scm (rtl8821ce-linux-module)[arguments]:
Spawn multiple build make jobs if requested.

gnu: rtl8821ce-linux-module: Prepare for cross-compilation.

* gnu/packages/linux.scm (rtl8821ce-linux-module)[arguments]:
Use CC-FOR-TARGET.

gnu: proot: Update to 5.2.0-alpha-0.a70023a and fix version string.

* gnu/packages/linux.scm (proot): Update to 5.2.0-alpha-0.a70023a.
[tests?]: Reinstate tests for the aarch64-linux architecture.
[phases]{patch-sources}: Reinstate the test-ssssssss.c test, fixed upstream.
Set the VERSION Make variable, which is normally derived from invoking git.
Delete the new test-docker.sh test file.  Delete the known-to-be-failing
test-cdd39012.sh and test-d92b57ca.sh test files.
{check}: No longer set the PROOT_NO_SECCOMP environment variable as the
upstream issue appears to have been resolved.
[native-inputs]: Use the current coreutils package.