[PATCH 5 of 5] rust: update to toml 0.8

[Mads Kiilerich]

# HG changeset patch
# User Mads Kiilerich <mads at kiilerich.com>
# Date 1704999033 -3600
#      Thu Jan 11 19:50:33 2024 +0100
# Branch stable
# Node ID 646c00200241229c23dad41b1d086a610aff08b2
# Parent  f2e61759ac0e0125e275acc72bda8a00258762b9
rust: update to toml 0.8

This is needed for Fedora packaging.

diff --git a/rust/hg-core/Cargo.toml b/rust/hg-core/Cargo.toml
--- a/rust/hg-core/Cargo.toml
+++ b/rust/hg-core/Cargo.toml
@@ -31,7 +31,7 @@ sha-1 = "0.10.0"
 twox-hash = "1.6.3"
 same-file = "1.0.6"
 tempfile = "3.3.0"
-toml = "0.6"
+toml = "0.8"
 thread_local = "1.1.4"
 crossbeam-channel = "0.5.6"
 log = "0.4.17"