ca-certicficates: Update to version 20210119

ca-certicficates: Update to version 20210119

Update the ca-certificates and ca-bundle package from version 20200601 to
version 2021019.

This version uses Python 3 for the build, fixing a build issue on systems,
where `/usr/bin/python3` is a wrapper script [1].

Debian change-log entry [2]:

>   [ Julien Cristau ]
>   * New maintainer (closes: #976406)
>   * mozilla/{certdata.txt,nssckbi.h}: Update Mozilla certificate
> authority
>     bundle to version 2.46.
>     The following certificate authorities were added (+):
>     + "certSIGN ROOT CA G2"
>     + "e-Szigno Root CA 2017"
>     + "Microsoft ECC Root Certificate Authority 2017"
>     + "Microsoft RSA Root Certificate Authority 2017"
>     + "NAVER Global Root Certification Authority"
>     + "Trustwave Global Certification Authority"
>     + "Trustwave Global ECC P256 Certification Authority"
>     + "Trustwave Global ECC P384 Certification Authority"
>     The following certificate authorities were removed (-):
>     - "EE Certification Centre Root CA"
>     - "GeoTrust Universal CA 2"
>     - "LuxTrust Global Root 2"
>     - "OISTE WISeKey Global Root GA CA"
>     - "Staat der Nederlanden Root CA - G2" (closes: #962079)
>     - "Taiwan GRCA"
>     - "Verisign Class 3 Public Primary Certification Authority - G3"
>
>   [ Michael Shuler ]
>   * mozilla/blacklist:
>     Revert Symantec CA blacklist (#911289). Closes: #962596
>     The following root certificates were added back (+):
>     + "GeoTrust Primary Certification Authority - G2"
>     + "VeriSign Universal Root Certification Authority"
>
>   [ Gianfranco Costamagna ]
>   * debian/{rules,control}:
>     Merge Ubuntu patch from Matthias Klose to use Python3 during build.
>     Closes: #942915

[1]: https://github.molgen.mpg.de/mariux64/mxtools/issues/148
[2]: https://metadata.ftp-master.debian.org/changelogs//main/c/ca-certificates/ca-certificates_20210119_changelog

Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>