ci: fix cirrus and reduce rebuilds (#2460)

* ci: fix Cirrus CI on Windows

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* ci: skip unrelated changes more often

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

---------

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

test/test_ssl.py

@@ -1,3 +1,4 @@
+import socket
 import textwrap
 
 from . import test_projects, utils
@@ -24,6 +25,9 @@ def test(tmp_path):
     project_dir = tmp_path / "project"
     project_with_ssl_tests.generate(project_dir)
 
+    # warm up connection
+    socket.getaddrinfo("tls-v1-2.badssl.com", 443)
+
     actual_wheels = utils.cibuildwheel_run(project_dir)
 
     expected_wheels = utils.expected_wheels("spam", "0.1.0")