postgres: Add Postgres 17 direct connection test

Author: Daniel Frankcom

.github/workflows/sqlx.yml

@@ -314,6 +314,17 @@ jobs:
           # but `PgLTree` should just fall back to text format
           RUSTFLAGS: --cfg postgres_${{ matrix.postgres }}_client_ssl
 
+      - if: matrix.tls != 'none' && matrix.postgres == '17'
+        run: >
+          cargo test
+          --no-default-features
+          --features any,postgres,macros,_unstable-all-types,runtime-${{ matrix.runtime }},tls-${{ matrix.tls }}
+        env:
+          DATABASE_URL: postgres://postgres@localhost:5432/sqlx?sslnegotiation=direct&sslmode=require&sslkey=.%2Ftests%2Fkeys%2Fclient.key&sslcert=.%2Ftests%2Fcerts%2Fclient.crt
+          # FIXME: needed to disable `ltree` tests in Postgres 9.6
+          # but `PgLTree` should just fall back to text format
+          RUSTFLAGS: --cfg postgres_${{ matrix.postgres }}_client_ssl
+
   mysql:
     name: MySQL
     runs-on: ubuntu-24.04