I want to install UCSC The Genome Browser in the Cloud (GBiC) on the server. After typing

sudo bash browserSetup.sh install

I get the following error

--2021-10-18 10:19:21--  https://raw.githubusercontent.com/paulfitz/mysql-connector-c/master/include/my_config.h
Resolving raw.githubusercontent.com (raw.githubusercontent.com)...
185.199.110.133, 185.199.109.133, 185.199.111.133, ...
Connecting to raw.githubusercontent.com (raw.githubusercontent.com) |185.199.110.133|:443... connected.
Unable to establish SSL connection.
Exit error 4 occurred on line 1
The UCSC Genome Browser installation script exited with an error.
Please contact us at genome-mirror@soe.ucsc.edu and send us an output log

I ping raw.githubusercontent.com and found that there is no problem

PING raw.githubusercontent.com (185.199.110.133) 56(84) bytes of data.
64 bytes from cdn-185-199-110-133.github.com (185.199.110.133): icmp_seq=1 ttl=44 time=59.2 ms
64 bytes from cdn-185-199-110-133.github.com (185.199.110.133): icmp_seq=2 ttl=44 time=76.7 ms
64 bytes from cdn-185-199-110-133.github.com (185.199.110.133): icmp_seq=3 ttl=44 time=66.7 ms
64 bytes from cdn-185-199-110-133.github.com (185.199.110.133): icmp_seq=4 ttl=44 time=62.0 ms

Why is this error reported and how can I solve this problem?