[stable20] Harden setup check for TLS version if host is not reachable

[backportbot-nextcloud]

backport of #24499

[faily-bot]

🤖 beep boop beep 🤖

Here are the logs for the failed build:

Status of 51: failure

mysql8.0-php7.2

Show full log

There were 2 warnings:

1) Test\Files\ViewTest::testRenameFailDeleteTargetKeepSource
Trying to configure method "writeStream" which cannot be configured because it does not exist, has not been specified, is final, or is static

2) Test\Files\ViewTest::testCopyFailDeleteTargetKeepSource
Trying to configure method "writeStream" which cannot be configured because it does not exist, has not been specified, is final, or is static

--

There was 1 failure:

1) Test\Files\ObjectStore\ObjectStoreStorageTest::testCopyOverWriteDirectoryOverFile
Failed asserting that false matches expected 'foo'.

/drone/src/tests/lib/Files/Storage/Storage.php:582