chore: bump libloading from 0.6.2 to 0.7.0 (#17704)

* chore: bump libloading from 0.6.2 to 0.7.0

Bumps [libloading](https://github.com/nagisa/rust_libloading) from 0.6.2 to 0.7.0.
- [Release notes](https://github.com/nagisa/rust_libloading/releases)
- [Commits](https://github.com/nagisa/rust_libloading/compare/0.6.2...0.7.0)

---
updated-dependencies:
- dependency-name: libloading
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* [auto-commit] Update all Cargo lock files

* New libloading methods are marked unsafe

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dependabot-buildkite <dependabot-buildkite@noreply.solana.com>
Co-authored-by: Tyera Eulberg <tyera@solana.com>

runtime/Cargo.toml

@@ -24,7 +24,7 @@ fnv = "1.0.7"
 itertools = "0.9.0"
 lazy_static = "1.4.0"
 libc = "0.2.81"
-libloading = "0.6.2"
+libloading = "0.7.0"
 log = "0.4.11"
 memmap2 = "0.2.3"
 num-derive = { version = "0.3" }

runtime/src/native_loader.rs

@@ -93,13 +93,15 @@ impl NativeLoader {
 
     #[cfg(windows)]
     fn library_open(path: &Path) -> Result<Library, libloading::Error> {
-        Library::new(path)
+        unsafe { Library::new(path) }
     }
 
     #[cfg(not(windows))]
     fn library_open(path: &Path) -> Result<Library, libloading::Error> {
-        // Linux tls bug can cause crash on dlclose(), workaround by never unloading
-        Library::open(Some(path), libc::RTLD_NODELETE | libc::RTLD_NOW)
+        unsafe {
+            // Linux tls bug can cause crash on dlclose(), workaround by never unloading
+            Library::open(Some(path), libc::RTLD_NODELETE | libc::RTLD_NOW)
+        }
     }
 
     fn get_entrypoint<T>(