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[bug] Unable to connect to https://center.conan.io using conan

See original GitHub issue

I cannot connect to center.conan.io using conan. From my browser I can reach the address and download a text file which redirects me to https://conan.io/center/, but I am not sure how relevant is that. I started to experience this today.

Environment Details (include every applicable attribute)

Operating System+version: Linux Mint 20.3 (based on Ubuntu 20.04)
Compiler+version: GCC 9.3.0 and Clang 12, but not relevant
Conan version: 1.50.0
Python version: 3.8.10

But the same thing happens also on Github hosted runners.

Steps to reproduce (Include if Applicable)

conan search "openssl/*" -r=conancenter

Logs (Executed commands with output) (Include/Attach if Applicable)

ERROR: HTTPSConnectionPool(host='center.conan.io', port=443): Max retries exceeded with url: /v1/ping (Caused by ReadTimeoutError("HTTPSConnectionPool(host='center.conan.io', port=443): Read timed out. (read timeout=60.0)"))

Unable to connect to conancenter=https://center.conan.io
1. Make sure the remote is reachable or,
2. Disable it by using conan remote disable,
Then try again.

Logs from Github hosted runners where conan is call from CMake:

robin-hood-hashing/3.11.5: Not found in local cache, looking in remotes...
robin-hood-hashing/3.11.5: Trying with 'conancenter'...
ERROR: HTTPSConnectionPool(host='center.conan.io', port=443): Max retries exceeded with url: /v1/ping (Caused by ReadTimeoutError("HTTPSConnectionPool(host='center.conan.io', port=443): Read timed out. (read timeout=60.0)"))
Unable to connect to conancenter=https://center.conan.io/
1. Make sure the remote is reachable or,
2. Disable it by using conan remote disable,
Then try again.
CMake Error at build/conan.cmake:544 (message):
  Conan install failed='1'
Call Stack (most recent call first):
  build/conan.cmake:886 (old_conan_cmake_install)
  CMake/External.cmake:44 (conan_cmake_run)
  CMakeLists.txt:30 (run_conan)
-- Configuring incomplete, errors occurred!
See also "/home/runner/work/miscellaneous/miscellaneous/build/CMakeFiles/CMakeOutput.log".