add testing for Python 3.14 and 3.14t (#1450)

* add testing for Python 3.14 and 3.14t

* delete the cryptography-minimum 3.14 builds
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bcccdf5..6ef26a0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,7 @@
           - {VERSION: "3.12", NOXSESSION: "tests"}
           - {VERSION: "3.13", NOXSESSION: "tests"}
           - {VERSION: "3.14-dev", NOXSESSION: "tests"}
+          - {VERSION: "3.14t-dev", NOXSESSION: "tests"}
           - {VERSION: "pypy-3.11", NOXSESSION: "tests"}
           - {VERSION: "3.11", NOXSESSION: "tests-wheel", OS: "windows-latest"}
           # -cryptography-main
@@ -28,6 +29,8 @@
           - {VERSION: "3.11", NOXSESSION: "tests-cryptography-main"}
           - {VERSION: "3.12", NOXSESSION: "tests-cryptography-main"}
           - {VERSION: "3.13", NOXSESSION: "tests-cryptography-main"}
+          - {VERSION: "3.14-dev", NOXSESSION: "tests-cryptography-main"}
+          - {VERSION: "3.14t-dev", NOXSESSION: "tests-cryptography-main"}
           - {VERSION: "pypy-3.11", NOXSESSION: "tests-cryptography-main"}
           # -cryptography-minimum
           - {VERSION: "3.7", NOXSESSION: "tests-cryptography-minimum", OS: "ubuntu-22.04"}