Update docker dependency versions

[adfoster-r7]

Routine update of Docker Golang version

Verification

• Verify CI passes
• Build a new docker image ./docker/bin/msfconsole --rebuild
• Run the container ./docker/bin/msfconsole
• Verify a Golang module works:

msf6 auxiliary(gather/office365userenum) > run rhosts=192.168.123.1 users=users.txt

[*] Running for 192.168.123.1...
[*] 

.       .1111...          | Title: office365userenum.py
    .10000000000011.   .. | Author: Oliver Morton (Sec-1 Ltd)
 .00              000...  | Email: oliverm@sec-1.com
1                  01..   | Description:
                    ..    | Enumerate valid usernames from Office 365 using
                   ..     | ActiveSync.
GrimHacker        ..      | Requires: Python 2.7 or 3.6, python-requests
                 ..       |
grimhacker.com  ..        |
@grimhacker    ..         |
----------------------------------------------------------------------------
    This program comes with ABSOLUTELY NO WARRANTY.
    This is free software, and you are welcome to redistribute it
    under certain conditions. See GPLv2 License.
----------------------------------------------------------------------------

[*] user = abc
[*] checking: abc
[*] check_users thread dying
[*] check_users thread dying
[*] check_users thread dying
[*] check_users thread dying
[*] check_users thread dying
[*] check_users thread dying
[*] check_users thread dying
[*] check_users thread dying
[*] check_users thread dying
[*] ('abc', 'Password1', 'VALID_USER', <Response [401]>)
[*] check_users thread dying
[*] 401 VALID_USER abc:Password1
[!] No active DB -- Credential data will not be saved!
[+] 401 VALID_USER abc:Password1
[*] report thread dying.
[*] Scanned 1 of 1 hosts (100% complete)
[*] Auxiliary module execution completed

[cgranleese-r7]

Looks like everything is working fine 👍

msf6 auxiliary(gather/office365userenum) > run rhosts=192.168.123.1 users=users.txt

[*] Running for 192.168.123.1...
[*]

.       .1111...          | Title: office365userenum.py
    .10000000000011.   .. | Author: Oliver Morton (Sec-1 Ltd)
 .00              000...  | Email: oliverm@sec-1.com
1                  01..   | Description:
                    ..    | Enumerate valid usernames from Office 365 using
                   ..     | ActiveSync.
GrimHacker        ..      | Requires: Python 2.7 or 3.6, python-requests
                 ..       |
grimhacker.com  ..        |
@grimhacker    ..         |
----------------------------------------------------------------------------
    This program comes with ABSOLUTELY NO WARRANTY.
    This is free software, and you are welcome to redistribute it
    under certain conditions. See GPLv2 License.
----------------------------------------------------------------------------

[+] 401 VALID_USER foo:Password1
[+] 401 VALID_USER bar:Password1
[+] 401 VALID_USER abc:Password1
[*] Scanned 1 of 1 hosts (100% complete)
[*] Auxiliary module execution completed

[cgranleese-r7]

Release Notes

This PR updates the Docker Golang version from 1.19.3 to 1.21.1 to receive the latest security updates. Thanks to Daniel Weller for reporting.