postgres: Add Postgres 17 direct connection test

Author: danielfrankcom

.github/workflows/sqlx.yml

@@ -324,6 +324,16 @@ jobs:
           DATABASE_URL: postgres://postgres@localhost:5432/sqlx?sslmode=verify-ca&sslrootcert=.%2Ftests%2Fcerts%2Fca.crt&sslkey=.%2Ftests%2Fcerts%2Fkeys%2Fclient.key&sslcert=.%2Ftests%2Fcerts%2Fclient.crt
           RUSTFLAGS: --cfg postgres="${{ matrix.postgres }}"
 
+      # Direct SSL negotiation only supported by Postgres 17+
+      - if: 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%2Fcerts%2Fkeys%2Fclient.key&sslcert=.%2Ftests%2Fcerts%2Fclient.crt
+          RUSTFLAGS: --cfg postgres="${{ matrix.postgres }}"
+
   mysql:
     name: MySQL
     runs-on: ubuntu-24.04