GH-47753: [C++][Parquet] Build Thrift with OpenSSL disabled (#47754)

### Rationale for this change

The Thrift build chain enables OpenSSL support by default, but we don't need it.

### Are these changes tested?

Yes, by existing CI builds.

### Are there any user-facing changes?

No.

* GitHub Issue: #47753

Authored-by: Antoine Pitrou <[email protected]>
Signed-off-by: Sutou Kouhei <[email protected]>

Author: pitrou

cpp/cmake_modules/ThirdpartyToolchain.cmake

@@ -1784,6 +1784,7 @@ function(build_thrift)
     endif()
   endif()
   set(WITH_NODEJS OFF)
+  set(WITH_OPENSSL OFF)
   set(WITH_PYTHON OFF)
   set(WITH_QT5 OFF)
   set(WITH_ZLIB OFF)