gnu: openboardview: Update to 9.95.0.

* gnu/packages/electronics.scm (openboardview): Update to 9.95.0.
[source]: Apply patch.
[arguments]: Update fix-utf8-include-directive phase.
[inputs]: Add orangeduck-mpc.
* gnu/packages/patches/openboardview-use-system-mpc.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.

gnu: Add orangeduck-mpc.

* gnu/packages/c.scm (orangeduck-mpc): New variable.
* gnu/packages/patches/orangeduck-mpc-fix-pkg-config.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.

gnu: imgui: Use unsigned int vertex indexes.

* gnu/packages/toolkits.scm (imgui)
[arguments]: Add the "-DImDrawIdx=unsigned int" compiler option to the build
phase.

gnu: blender: Update to 3.3.5.

* gnu/packages/graphics.scm (blender): Update to 3.3.5.

gnu: blender: Use ffmpeg 5.

* gnu/packages/graphics.scm (blender) [inputs]: Replace ffmpeg with ffmpeg-5.

gnu: blender: Use gexps and remove labels.

* gnu/packages/graphics.scm (blender) [arguments]: Use gexps.  Replace the
add-ilmbase-include-path phase by an added -I directive to the CMAKE_CXX_FLAGS
configure flag.
[inputs]: Remove labels.

gnu: gnunet: Disable flaky tests.

* gnu/packages/gnunet.scm (gnunet) [arguments]: Add a
disable-problematic-tests phase.

gnu: gnunet: Fix indentation and use gexps.

* gnu/packages/gnunet.scm (gnunet): Fix indentation.
[arguments]: Use gexps and delete trailing #t.

Merge branch 'master' into staging

gnu: conan: Disable more flaky tests.

* gnu/packages/package-management.scm (conan) [arguments]: Run test suite
verbosely.  Skip the test_toolchain and test_list tests.

gnu: conan: Do not hard-code package versions.

* gnu/packages/package-management.scm (conan) [arguments]: Add #:modules
argument.  Avoid hard-coding package versions in configure-tests phase.

gnu: python-locust: Update to 2.15.1.

* gnu/packages/benchmark.scm (python-locust): Update to 2.15.1.
[arguments]: Delete relax-requirements phase.  Add increase-resource-limits.
Update check phase.
[propagated-inputs]: Remove python-jinja2.

gnu: r-bionero: Update to 1.6.1.

* gnu/packages/bioconductor.scm (r-bionero): Update to 1.6.1.

gnu: r-flowclust: Update to 3.36.1.

* gnu/packages/bioconductor.scm (r-flowclust): Update to 3.36.1.

gnu: r-rhdf5filters: Update to 1.10.1.

* gnu/packages/bioconductor.scm (r-rhdf5filters): Update to 1.10.1.

gnu: r-biomart: Update to 2.54.1.

* gnu/packages/bioconductor.scm (r-biomart): Update to 2.54.1.

gnu: r-annotationforge: Update to 1.40.2.

* gnu/packages/bioconductor.scm (r-annotationforge): Update to 1.40.2.

gnu: r-anvil: Update to 1.10.2.

* gnu/packages/bioconductor.scm (r-anvil): Update to 1.10.2.

gnu: r-amaretto: Update to 1.14.0.

* gnu/packages/bioconductor.scm (r-amaretto): Update to 1.14.0.

gnu: python-geventhttpclient: Update to 2.0.9.

* gnu/packages/python-web.scm (python-geventhttpclient): Update to 2.0.9.
[propagated-inputs]: Add python-urllib3.
[home-page]: Update URL.