Drop PostgreSQL 13 and add 18 to CI matrix

Author: jackc

.github/workflows/ci.yml

@@ -14,9 +14,9 @@ jobs:
     strategy:
       matrix:
         go-version: ["1.24", "1.25"]
-        pg-version: [13, 14, 15, 16, 17, cockroachdb]
+        pg-version: [14, 15, 16, 17, 18, cockroachdb]
         include:
-          - pg-version: 13
+          - pg-version: 14
             pgx-test-database: "host=127.0.0.1 user=pgx_md5 password=secret dbname=pgx_test"
             pgx-test-unix-socket-conn-string: "host=/var/run/postgresql dbname=pgx_test"
             pgx-test-tcp-conn-string: "host=127.0.0.1 user=pgx_md5 password=secret dbname=pgx_test"
@@ -26,7 +26,7 @@ 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: 14
+          - pg-version: 15
             pgx-test-database: "host=127.0.0.1 user=pgx_md5 password=secret dbname=pgx_test"
             pgx-test-unix-socket-conn-string: "host=/var/run/postgresql dbname=pgx_test"
             pgx-test-tcp-conn-string: "host=127.0.0.1 user=pgx_md5 password=secret dbname=pgx_test"
@@ -36,7 +36,7 @@ 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: 15
+          - pg-version: 16
             pgx-test-database: "host=127.0.0.1 user=pgx_md5 password=secret dbname=pgx_test"
             pgx-test-unix-socket-conn-string: "host=/var/run/postgresql dbname=pgx_test"
             pgx-test-tcp-conn-string: "host=127.0.0.1 user=pgx_md5 password=secret dbname=pgx_test"
@@ -46,7 +46,7 @@ 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: 16
+          - pg-version: 17
             pgx-test-database: "host=127.0.0.1 user=pgx_md5 password=secret dbname=pgx_test"
             pgx-test-unix-socket-conn-string: "host=/var/run/postgresql dbname=pgx_test"
             pgx-test-tcp-conn-string: "host=127.0.0.1 user=pgx_md5 password=secret dbname=pgx_test"
@@ -56,7 +56,7 @@ 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: 17
+          - pg-version: 18
             pgx-test-database: "host=127.0.0.1 user=pgx_md5 password=secret dbname=pgx_test"
             pgx-test-unix-socket-conn-string: "host=/var/run/postgresql dbname=pgx_test"
             pgx-test-tcp-conn-string: "host=127.0.0.1 user=pgx_md5 password=secret dbname=pgx_test"