`yarn upgrade` fails

[kurtextrem]

This fails: yarn set version 4.17.0 && yarn / yarn upgrade unless the version is already installed.

✗ · Failed to download Yarn 4.17.0 after 0.05s.

Error: error sending request for url (https://repo.yarnpkg.com/releases/4.17.0/aarch64-apple-darwin)

› yarn […ARGSN]

=== Socket Firewall ===

Warning: Socket Firewall did not detect any package fetch attempts

Error occurred: client socket error for hostname 'repo.yarnpkg.com'
  Error 805EFFF801000000:error:0A000418:SSL routines:ssl3_read_bytes:tlsv1 alert unknown ca:../deps/openssl/openssl/ssl/record/rec_layer_s3.c:916:SSL alert number 48
   []
Error occurred: Error caught at boundary "HTTP CONNECT socket"
  Error unable to establish secure connection with client [getRequestIteratorForTls (sfw-free.js:119:1087) <- process.processTicksAndRejections (task_queues:105:5) <- async handleConnect (sfw-free.js:121:892)]