GitLab

Fixes a memory leak

This upgrade fixes the following CVEs:
-CVE-2021-32917
-CVE-2021-32918
-CVE-2021-32919
-CVE-2021-32920
-CVE-2021-32921

Fixes #12671

gitlab change checksum once in a while apparently

reported upstream:
https://gitlab.gnome.org/GNOME/libxslt/-/issues/51

https://github.com/amanusk/s-tui
Terminal-based CPU stress and monitoring utility

For more details, see https://github.com/containerd/containerd/releases/tag/v1.5.1

Ref https://github.com/lu-zero/cargo-c/releases/tag/v0.8.1

Skipping the wgengine/magicsock test which times out:
```
ok      tailscale.com/wgengine  0.118s
ok      tailscale.com/wgengine/bench    0.047s [no tests to run]
ok      tailscale.com/wgengine/filter   0.032s
panic: test timed out after 10m0s
 ...
FAIL    tailscale.com/wgengine/magicsock        600.024s
```
Signed-off-by: Robert Günzler <r@gnzler.io>

Squashed commit of the following:

commit af0dae99cda7c1b0c4fa725aa59a853a65644920
Author: Terra <alpine-builder@spunky.tech.futurequest.net>
Date:   Thu May 13 05:45:50 2021 -0700

commit 975ea029e145c097944f5d42c30c3d1a7882418f
Author: Terra <alpine-builder@spunky.tech.futurequest.net>
Date:   Thu May 13 05:45:10 2021 -0700

    testing/nullmailer: Add more comprehensive /etc/init.d/nullmailer

commit e7b93f65eeed56e6087942d93359f2d8a1199e40
Author: Terra <alpine-builder@spunky.tech.futurequest.net>
Date:   Thu May 13 05:41:56 2021 -0700

    testing/nullmailer: Fix install warning regarding missing embedded checksums

      ref: alpine/abuild#10031

commit 5bec89525c4a4a017d605ac325230cd1a9b6b3ea
Author: Terra <alpine-builder@spunky.tech.futurequest.net>
Date:   Thu May 13 05:38:26 2021 -0700

    testing/nullmailer: Fix various test issues

commit e288818ee33f54c798e2f279cf02612ebe3b51f0
Author: Terra <alpine-builder@spunky.tech.futurequest.net>
Date:   Thu May 13 05:34:55 2021 -0700

    testing/nullmailer: Replace remotes.conf with a more descriptive version