run test suite on Ubuntu 22.04 for now due to oscrypto issue

Author: mathiasertl

.github/workflows/tests.yml

@@ -8,7 +8,11 @@ env:
   PKCS11_TOKEN_SO_PIN: 5678
 jobs:
   run:
-    runs-on: ubuntu-latest
+    # Run in Ubuntu 22.04 right now, as oscrypto fails on OpenSSL versions with a
+    # double-digit patch number (such as provided by Ubuntu 24.04):
+    #   https://community.snowflake.com/s/article/Python-Connector-fails-to-connect-with-LibraryNotFoundError-Error-detecting-the-version-of-libcrypto
+    #   https://github.com/wbond/oscrypto/issues/78
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python-version: