Update libssh2 to 1.11.1

libssh2/cmake/libssh2-config.cmake.in

@@ -0,0 +1,31 @@
+# Copyright (C) The libssh2 project and its contributors.
+# SPDX-License-Identifier: BSD-3-Clause
+
+include(CMakeFindDependencyMacro)
+list(PREPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR})
+
+if("@CRYPTO_BACKEND@" STREQUAL "OpenSSL")
+  find_dependency(OpenSSL)
+elseif("@CRYPTO_BACKEND@" STREQUAL "wolfSSL")
+  find_dependency(WolfSSL)
+elseif("@CRYPTO_BACKEND@" STREQUAL "Libgcrypt")
+  find_dependency(Libgcrypt)
+elseif("@CRYPTO_BACKEND@" STREQUAL "mbedTLS")
+  find_dependency(MbedTLS)
+endif()
+
+if(@ZLIB_FOUND@)
+  find_dependency(ZLIB)
+endif()
+
+include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@-targets.cmake")
+
+# Alias for either shared or static library
+if(NOT TARGET @PROJECT_NAME@::@LIB_NAME@)
+  add_library(@PROJECT_NAME@::@LIB_NAME@ ALIAS @PROJECT_NAME@::@LIB_SELECTED@)
+endif()
+
+# Compatibility alias
+if(NOT TARGET Libssh2::@LIB_NAME@)
+  add_library(Libssh2::@LIB_NAME@ ALIAS @PROJECT_NAME@::@LIB_SELECTED@)
+endif()