Dockerfile: update yamllint to v1.26.1 to fix build
Installation of yamllint started failing, on non-amd64 builds, which could
be if the version we were using wasn't specific enough about a dependency
to install.
copying Cython/Utility/CppSupport.cpp -> build/lib.linux-aarch64-3.7/Cython/Utility
running build_ext
building 'Cython.Plex.Scanners' extension
creating build/temp.linux-aarch64-3.7
creating build/temp.linux-aarch64-3.7/tmp
creating build/temp.linux-aarch64-3.7/tmp/pip-install-jasgbmp7
creating build/temp.linux-aarch64-3.7/tmp/pip-install-jasgbmp7/Cython
creating build/temp.linux-aarch64-3.7/tmp/pip-install-jasgbmp7/Cython/Cython
creating build/temp.linux-aarch64-3.7/tmp/pip-install-jasgbmp7/Cython/Cython/Plex
aarch64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.7m -c /tmp/pip-install-jasgbmp7/Cython/Cython/Plex/Scanners.c -o build/temp.linux-aarch64-3.7/tmp/pip-install-jasgbmp7/Cython/Cython/Plex/Scanners.o
/tmp/pip-install-jasgbmp7/Cython/Cython/Plex/Scanners.c:21:10: fatal error: Python.h: No such file or directory
#include "Python.h"
^~~~~~~~~~
compilation terminated.
error: command 'aarch64-linux-gnu-gcc' failed with exit status 1
----------------------------------------
Command "/usr/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-jasgbmp7/Cython/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-record-if5qclwe/install-record.txt --single-version-externally-managed --prefix /tmp/pip-build-env-_dtiuyfw --compile" failed with error code 1 in /tmp/pip-install-jasgbmp7/Cython/
----------------------------------------
Command "/usr/bin/python3 -m pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-_dtiuyfw --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools wheel Cython" failed with error code 1 in None
#22 ERROR: executor failed running [/bin/sh -c pip3 install yamllint==1.16.0]: exit code: 1
Trying if updating to the latest version fixes this.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Sebastiaan van Stijn