Update to 1.10.0
    
    - New upstream release 1.10.0
      - Adds agent forwarding support
      - Adds OpenSSH Agent support on Windows
      - Adds ECDSA key support using the Mbed TLS backend
      - Adds ECDSA cert authentication
      - Adds diffie-hellman-group14-sha256, diffie-hellman-group16-sha512,
        diffie-hellman-group18-sha512 key exchanges
      - Adds support for PKIX key reading when using ed25519 with OpenSSL
      - Adds support for EWOULDBLOCK on VMS systems
      - Adds support for building with OpenSSL 3
      - Adds support for using FIPS mode in OpenSSL
      - Adds debug symbols when building with MSVC
      - Adds support for building on the 3DS
      - Adds unicode build support on Windows
      - Restores os400 building
      - Increases min, max and opt Diffie Hellman group values
      - Improves portability of the make file
      - Improves timeout behaviour with 2FA keyboard auth
      - Various improvements to the Wincng backend
      - Fixes reading partial packet replies when using an agent
      - Fixes Diffie Hellman key exchange on Windows 1903+ builds
      - Fixes building tests with older versions of OpenSSL
      - Fixes possible multiple definition warnings
      - Fixes potential cast issues _libssh2_ecdsa_key_get_curve_type()
      - Fixes potential use after free if libssh2_init() is called twice
      - Improved linking when using Mbed TLS
      - Fixes call to libssh2_crypto_exit() if crypto hasn't been initialized
      - Fixes crash when loading public keys with no id
      - Fixes possible out of bounds read when exchanging keys
      - Fixes possible out of bounds read when reading packets
      - Fixes possible out of bounds read when opening an X11 connection
      - Fixes possible out of bounds read when ecdh host keys
      - Fixes possible hang when trying to read a disconnected socket
      - Fixes a crash when using the delayed compression option
      - Fixes read error with large known host entries
      - Fixes various warnings
      - Fixes various small memory leaks
      - Improved error handling, various detailed errors will now be reported
      - Builds are now using OSS-Fuzz
      - Builds now use autoreconf instead of a custom build script
      - cmake now respects install directory
      - Improved CI backend
      - Updated HACKING-CRYPTO documentation
      - Use markdown file extensions
      - Improved unit tests