gnu: mesa: Replace obsolete vulkan-overlay-layer build option.

The option has been replaced by `vulkan-layers', an array of options.

* gnu/packages/gl.scm (mesa): Remove trailing #t.
[configure-flags]: Replace the vulkan-overlay-layer build option by
vulkan-layers.

gnu: gstreamer: Disable the pipelines-seek test.

* gnu/packages/gstreamer.scm (gstreamer)
[phases]{disable-problematic-tests}: New phase.

gnu: gdk-pixbuf: Remove obsolete jasper support.

The newer meson 0.60 failed the build because the jasper flag no longer
exists.

* gnu/packages/gtk.scm (gdk-pixbuf)[configure-flags]<jasper>: Remove configure
flag.
[phases]{patch-docbook}: Remove condition and TODO comment.
[inputs]: Remove jasper.

gnu: python-dateutil: Update to 2.8.2.

* gnu/packages/time.scm (python-dateutil): Update to 2.8.2.

gnu: python-six-bootstrap: Update to 1.16.0.

* gnu/packages/python-build.scm (python-six-bootstrap): Update to 1.16.0.

gnu: python-pytest: Update to 6.2.5.

* gnu/packages/check.scm (python-pytest): Update to 6.2.5.

gnu: python-dbusmock: Update to 0.24.0.

* gnu/packages/python-xyz.scm (python-dbusmock): Update to 0.24.0.  Delete
trailing #t.

gnu: boost: Update to 1.77.0.

* gnu/packages/boost.scm (boost): Update to 1.77.0.

gnu: python-dbus: Update to 1.2.18.

* gnu/packages/python-xyz.scm (python-dbus): Update to 1.2.18.
(python2-dbus)[configure-flags]: Provide the PYTHON_VERSION configure
variable.

gnu: python-hypothesis: Update to 6.23.4.

* gnu/packages/check.scm (python-hypothesis): Update to 6.23.4.

gnu: curl: Update to 7.79.1.

* gnu/packages/curl.scm (curl): Update to 7.79.1.  Delete trailing #t.
[origin]: Remove the upstream curl-7.77-tls-priority-string.patch patch.
* gnu/packages/patches/curl-7.77-tls-priority-string.patch: Delete it.
* gnu/local.mk (dist_patch_DATA): De-register it.

gnu: meson: Update to 0.60.0.

* gnu/packages/build-tools.scm (meson): Update to 0.60.0.

gnu: jsoncpp: Apply patch to regular package.

* gnu/packages/serialization.scm (jsoncpp)[source]: Apply patch.
(jsoncpp-with-pkg-version): Delete variant package.
* gnu/packages/jami.scm (libring)[inputs]: Adjust accordingly.

gnu: nss: Update to 3.71.

This is made in an attempt to get rid of non-deterministic test failures,
namely:

  [  FAILED  ] TlsConnectDatagram13.AeadLimit

* gnu/packages/nss.scm (nss): Update comment about nss-certs.  Update to 3.71.
[phases]{check}: Update faketime date.
[inputs]{sqlite}: Use the regular version.
* gnu/packages/certs.scm (nss-certs): Inherit version and source from nss.

gnu: nspr: Normalize inputs.

* gnu/packages/nss.scm (nspr)[inputs]: Remove conditional.

gnu: mariadb: Only run the main test suite to avoid flaky tests.

Tests from the perfschema test suite has a high failure rate.  Upstream only
tests the main test suite in their CI, so don't try to outdo them.

* gnu/packages/databases.scm (mariadb): Delete trailing #t.
[phases]{check}: Only run the main test suite.

gnu: cdparanoia: Disable parallel build.

The build would sometimes fail with errors such as:

make[1]: Entering directory '/tmp/guix-build-cdparanoia-10.2.drv-0/cdparanoia-III-10.2'
gcc -O2 -fsigned-char -g -O2 -c main.c
gcc -O2 -fsigned-char -g -O2 -c report.c
gcc -O2 -fsigned-char -g -O2 -c header.c
gcc -O2 -fsigned-char -g -O2 -c buffering_write.c
gcc -O2 -fsigned-char -g -O2 -c cachetest.c
gcc -O2 -fsigned-char -g -O2 -Wl,-rpath=/gnu/store/h0qhcyf0ci4kb70mmvxn8150rl6d3ykm-cdparanoia-10.2/lib -g -O2 main.o report.o header.o buffering_write.o cachetest.o \
        -L/tmp/guix-build-cdparanoia-10.2.drv-0/cdparanoia-III-10.2/paranoia -L/tmp/guix-build-cdparanoia-10.2.drv-0/cdparanoia-III-10.2/interface \
        -o cdparanoia -lcdda_interface -lcdda_paranoia -lm -lrt
ld: main.o: in function `cleanup':
/tmp/guix-build-cdparanoia-10.2.drv-0/cdparanoia-III-10.2/main.c:667: undefined reference to `paranoia_free'
[...]
collect2: error: ld returned 1 exit status

* gnu/packages/cdrom.scm (cdparanoia)[parallel-build?]: Set to #f.

gnu: elogind: Update to 246.10.

* gnu/packages/freedesktop.scm (elogind): Update to 246.10.
Remove trailing #t.
[configure-flags]: Address TODOs, removing conditionals and providing
the kexec command.
[phases]{adjust-tests}: Disable the test-user-util and test-event tests.
[inputs]: Add kexec-tools.

gnu: gawk: Use regular bash to cope with test suite failures.

Fixes <https://issues.guix.gnu.org/51286>.

* gnu/packages/gawk.scm (gawk): Remove trailing #t.
[inputs]: Always use bash.

gnu: librsvg: Preserve the loaders.cache file.

Now that we have a search path that honors it on gdk-pixbuf, it is more
valuable to keep it.

* gnu/packages/gnome.scm (librsvg)[phases]{pre-configure}: Install loaders,
cache file to locations derived from %gdk-pixbuf-loaders-cache-file.