File mozilla-rust-disable-future-incompat.patch of Package MozillaThunderbird

diff -rup a/Cargo.toml b/Cargo.toml
--- a/Cargo.toml	2023-07-04 15:15:01.089470619 +0200
+++ b/Cargo.toml	2023-07-04 15:24:31.626226962 +0200
@@ -188,3 +188,8 @@ uniffi_bindgen = "=0.23.0"
 uniffi_build = "=0.23.0"
 uniffi_macros = "=0.23.0"
 weedle2 = "=4.0.0"
+
+# Package code v0.1.4 uses code "that will be rejected by a future version of Rust"
+# Shut up such messages for now to make the build succeed
+[future-incompat-report]
+frequency = "never"