gnu: Add rust-aliasable.

* gnu/packages/crates-io.scm (rust-aliasable-0.1): New variable.

gnu: Add rust-aliasable-deref-trait.

* gnu/packages/crates-io.scm (rust-aliasable-deref-trait-0.2): New variable.

gnu: Add rust-pem.

* gnu/packages/crates-io.scm (rust-pem-1): New variable.

gnu: Add rust-asn1.

* gnu/packages/crates-io.scm (rust-asn1-derive-0.8, rust-asn1-0.8): New
variables.

gnu: rust-half: Update to 1.7.1.

* gnu/packages/crates-io.scm (rust-half-1): Update to 1.7.1.

gnu: rust-base64: Fix criterion criteria.

This is a follow-up to commit 4e0544f66108a46f66fa400fe2f7fdf6eba72246.

* gnu/packages/crates-io.scm (rust-base64-0.13)[arguments]: Adjust
substitution to match the current version of PYTHON-CRITERION.

gnu: WebKitGTK: Update to 2.34.4 [security fixes].

Fixes CVE-2021-30934, CVE-2021-30936, CVE-2021-30951, CVE-2021-30952,
CVE-2021-30953, CVE-2021-30954, CVE-2021-30984.

* gnu/packages/webkit.scm (webkitgtk): Update to 2.34.4.

gnu: emacs-multitran: Update to 0.4.14.

* gnu/packages/emacs-xyz.scm (emacs-multitran): Update to 0.4.14.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu: Update nim to 1.6.2.

* gnu/packages/nim.scm(nim): Update to 1.6.2.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu: Add emacs-all-the-icons-completion.

* gnu/packages/emacs-xyz.scm (emacs-all-the-icons-completion): New
  variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu: Add emacs-cape.

* gnu/packages/emacs-xyz.scm (emacs-cape): New variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu: emacs-kind-icon: Fix license field.

* gnu/packages/emacs-xyz.scm (emacs-kind-icon)[license]: Fix license.

gnu: Add emacs-fixed-pitch.

* gnu/packages/emacs-xyz.scm (emacs-fixed-pitch): New variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu: Add emacs-minimap.

* gnu/packages/emacs-xyz.scm (emacs-minimap): New variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu: Add emacs-kind-icon.

* gnu/packages/emacs-xyz.scm (emacs-kind-icon): New variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu: qbittorrent: Update to 4.4.0.

* gnu/packages/bittorrent.scm (qbittorrent): Update to 4.4.0.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu: nushell: Update to 0.43.0.

* gnu/packages/shells.scm (nushell):
(rust-nu-ansi-term-0.43):
(rust-nu-cli-0.43):
(rust-nu-command-0.43):
(rust-nu-completion-0.43):
(rust-nu-data-0.43):
(rust-nu-engine-0.43):
(rust-nu-errors-0.43):
(rust-nu-parser-0.43):
(rust-nu-path-0.43):
(rust-nu-plugin-0.42):
(rust-nu-plugin-binaryview-0.42):
(rust-nu-plugin-chart-0.42):
(rust-nu-plugin-from-bson-0.43):
(rust-nu-plugin-inc-0.43):
(rust-nu-plugin-match-0.42):
(rust-nu-plugin-query-json-0.43):
(rust-nu-plugin-selector-0.43):
(rust-nu-plugin-textview-0.43):
(rust-nu-plugin-to-bson-0.42):
(rust-nu-plugin-to-sqlite-0.43):
(rust-nu-plugin-xpath-0.43):
(rust-nu-pretty-hex-0.42):
(rust-nu-protocol-0.43):
(rust-nu-serde-0.43):
(rust-nu-stream-0.43):
(rust-nu-table-0.43):
(rust-nu-test-support-0.43):
(rust-nu-value-ext-0.43): Update to 0.43.0.

gnu: Add rust-sysinfo-0.23.

* gnu/packages/crates-io.scm (rust-sysinfo-0.23): New variable.
(rust-sysinfo-0.21): Inherit from above.

gnu: rust-libc-0.2: Update to 0.2.112.

* gnu/packages/crates-io.scm (rust-libc-0.2): Update to 0.2.112.

gnu: rust-nix-0.22: Fix build.

* gnu/packages/crates-io.scm (rust-nix-0.22)[arguments]<#:cargo-inputs>: Use
rust-bitflags-1.2 instead of rust-bitflags-1.