chore: update rbspy to 16.0

[korniltsev]

• use rbspy fork as submodule
• update rbspy fork to 16.0 (addresses Not working with Ruby 3.2.0 and higher #80 )

[korniltsev]

I believe something changed and rustup no longer works in manylinux

➜  pyroscope-rs git:(chore/use_rbspy_as_submodule) docker run --rm -ti quay.io/pypa/manylinux2010_x86_64
[root@8767647599f6 /]# curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain=1.62.1 -y
info: downloading installer
Warning: Not enforcing strong cipher suites for TLS, this is potentially less secure
Warning: Not enforcing TLS v1.2, this is potentially less secure
/tmp/tmp.Sgs4wg4RL2/rustup-init: /lib64/libc.so.6: version `GLIBC_2.14' not found (required by /tmp/tmp.Sgs4wg4RL2/rustup-init)
/tmp/tmp.Sgs4wg4RL2/rustup-init: /lib64/libc.so.6: version `GLIBC_2.15' not found (required by /tmp/tmp.Sgs4wg4RL2/rustup-init)
/tmp/tmp.Sgs4wg4RL2/rustup-init: /lib64/libc.so.6: version `GLIBC_2.17' not found (required by /tmp/tmp.Sgs4wg4RL2/rustup-init)
[root@8767647599f6 /]# 

;(

[korniltsev]

https://flamegraph.com/share/20b17607-b0ef-11ed-8188-56c441c09ecf
ruby 3.2.0 seems working now