Merge branch '2021-05-18' into 'master'

ci/config.sh

patches/bifunctors-5.5.10.patch

patches/cryptonite-0.29.patch

patches/diagrams-core-1.4.2.patch

patches/diagrams-lib-1.4.3.patch

patches/dual-tree-0.2.2.1.patch

patches/free-5.1.6.patch

patches/hspec-core-2.7.10.patch

patches/hspec-discover-2.8.2.patch

patches/io-streams-1.5.2.0.patch

patches/memory-0.16.0.patch

patches/monoid-extras-0.5.1.patch

patches/plots-0.1.1.2.patch

patches/random-1.1.patch

patches/trivial-constraint-0.6.0.0.patch

patches/vinyl-0.13.2.patch

patches/yesod-core-1.6.20.patch