do not test with cockroachdb as it's known to be broken

Author: nicois

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         go-version: ["1.21", "1.22"]
-        pg-version: [12, 13, 14, 15, 16, cockroachdb]
+        pg-version: [12, 13, 14, 15, 16]
         include:
           - pg-version: 12
             pgx-test-database: "host=127.0.0.1 user=pgx_md5 password=secret dbname=pgx_test"
@@ -66,8 +66,6 @@ jobs:
             pgx-test-tls-conn-string: "host=localhost user=pgx_ssl password=secret sslmode=verify-full sslrootcert=/tmp/ca.pem dbname=pgx_test"
             pgx-ssl-password: certpw
             pgx-test-tls-client-conn-string: "host=localhost user=pgx_sslcert sslmode=verify-full sslrootcert=/tmp/ca.pem sslcert=/tmp/pgx_sslcert.crt sslkey=/tmp/pgx_sslcert.key dbname=pgx_test"
-          - pg-version: cockroachdb
-            pgx-test-database: "postgresql://root@127.0.0.1:26257/pgx_test?sslmode=disable&experimental_enable_temp_tables=on"
 
     steps:
       - name: Check out code into the Go module directory