update lockfile

Cargo.lock

@@ -2136,6 +2136,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "libloading"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c571b676ddfc9a8c12f1f3d3085a7b163966a8fd8098a90640953ce5f6170161"
+dependencies = [
+ "cfg-if",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "libm"
 version = "0.1.4"
@@ -2411,7 +2421,7 @@ dependencies = [
  "lazy_static",
  "libc",
  "libffi",
- "libloading",
+ "libloading 0.8.1",
  "log",
  "measureme",
  "rand",
@@ -3914,7 +3924,7 @@ dependencies = [
 name = "rustc_interface"
 version = "0.0.0"
 dependencies = [
- "libloading",
+ "libloading 0.7.4",
  "rustc-rayon",
  "rustc-rayon-core",
  "rustc_ast",
@@ -4045,7 +4055,7 @@ name = "rustc_metadata"
 version = "0.0.0"
 dependencies = [
  "bitflags 1.3.2",
- "libloading",
+ "libloading 0.7.4",
  "odht",
  "rustc_ast",
  "rustc_attr",
@@ -4260,7 +4270,7 @@ dependencies = [
 name = "rustc_plugin_impl"
 version = "0.0.0"
 dependencies = [
- "libloading",
+ "libloading 0.7.4",
  "rustc_ast",
  "rustc_errors",
  "rustc_fluent_macro",