Fix nightly build

In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Author: niklasdewally

.cargo/config.toml

@@ -0,0 +1,3 @@
+[target.x86_64-unknown-linux-gnu]
+
+rustflags=["-Clink-arg=-Wl,-z,nostart-stop-gc"]