ca-certificates: update to version 20200601

ca-certificates: update to version 20200601

This patch updates the ca-certificates and ca-bundle package.
This version changed the files directory again, to work/, so
PKG_BUILD_DIR was brought back.

A list of changes from Debian's change-log entry for 20200601 [0]:

  * mozilla/{certdata.txt,nssckbi.h}:
    Update Mozilla certificate authority bundle to version 2.40.
    Closes: #956411, #955038
  * mozilla/blacklist.txt
    Add distrusted Symantec CA list to blacklist for explicit removal.
    Closes: #911289
    Blacklist expired root certificate, "AddTrust External Root"
    Closes: #961907
    The following certificate authorities were added (+):
    + "Certigna Root CA"
    + "emSign ECC Root CA - C3"
    + "emSign ECC Root CA - G3"
    + "emSign Root CA - C1"
    + "emSign Root CA - G1"
    + "Entrust Root Certification Authority - G4"
    + "GTS Root R1"
    + "GTS Root R2"
    + "GTS Root R3"
    + "GTS Root R4"
    + "Hongkong Post Root CA 3"
    + "UCA Extended Validation Root"
    + "UCA Global G2 Root"
    The following certificate authorities were removed (-):
    - "AddTrust External Root"
    - "Certinomis - Root CA"
    - "Certplus Class 2 Primary CA"
    - "Deutsche Telekom Root CA 2"
    - "GeoTrust Global CA"
    - "GeoTrust Primary Certification Authority"
    - "GeoTrust Primary Certification Authority - G2"
    - "GeoTrust Primary Certification Authority - G3"
    - "GeoTrust Universal CA"
    - "thawte Primary Root CA"
    - "thawte Primary Root CA - G2"
    - "thawte Primary Root CA - G3"
    - "VeriSign Class 3 Public Primary Certification Authority - G4"
    - "VeriSign Class 3 Public Primary Certification Authority - G5"
    - "VeriSign Universal Root Certification Authority"

[0] <https://metadata.ftp-master.debian.org/changelogs//main/c/ca-certificates/ca-certificates_20200601_changelog>

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>