support using system certificates via 'truststore' (#6582)

https://github.com/mikf/gallery-dl/issues/6582#issuecomment-2989290495

README.rst

@@ -35,6 +35,7 @@ Optional
 - toml_: TOML configuration file support for Python<3.11
 - SecretStorage_: GNOME keyring passwords for ``--cookies-from-browser``
 - Psycopg_: PostgreSQL archive support
+- truststore_: Native system certificate stores
 
 
 Installation
@@ -461,7 +462,7 @@ To authenticate with a ``mastodon`` instance, run *gallery-dl* with
 .. _Python:     https://www.python.org/downloads/
 .. _PyPI:       https://pypi.org/
 .. _pip:        https://pip.pypa.io/en/stable/
-.. _Requests:   https://requests.readthedocs.io/en/master/
+.. _Requests:   https://requests.readthedocs.io/en/latest/
 .. _FFmpeg:     https://www.ffmpeg.org/
 .. _mkvmerge:   https://www.matroska.org/downloads/mkvtoolnix.html
 .. _yt-dlp:     https://github.com/yt-dlp/yt-dlp
@@ -474,10 +475,11 @@ To authenticate with a ``mastodon`` instance, run *gallery-dl* with
 .. _toml:       https://pypi.org/project/toml/
 .. _SecretStorage: https://pypi.org/project/SecretStorage/
 .. _Psycopg:    https://www.psycopg.org/
+.. _truststore: https://truststore.readthedocs.io/en/latest/
 .. _Snapd:      https://docs.snapcraft.io/installing-snapd
 .. _OAuth:      https://en.wikipedia.org/wiki/OAuth
 .. _Chocolatey: https://chocolatey.org/install
-.. _Scoop:      https://scoop.sh
+.. _Scoop:      https://scoop.sh/
 
 .. |pypi| image:: https://img.shields.io/pypi/v/gallery-dl.svg
     :target: https://pypi.org/project/gallery-dl/