tools: Update build script(h3) to have the option to build quiche with either openssl/quictls or boringssl vendor.

[brbzull0]

this should do the trick.

$ ./build_h3_tools.sh quictls

By default it will build quiche+boringssl.

Also, removing the recursive flag from quiche clone as it's not needed.

https://github.com/apache/trafficserver/issues/10873