bump deps: backtrace

We need the unresolved backtraces feature.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/Cargo.toml b/Cargo.toml
index e43526f87e81cf0689a4eea4bb47150df1266a88..958892e4ce733ed7e0c1042140fd1e5fb0836594 100644 (file)
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ hippotat-macros = { version = "1.1.3", path = "macros" }
 
 # versions specified here are mostly just guesses at what is needed
 # (or currently available):
-backtrace = "0.3"
+backtrace = "0.3.3"
 base64 = "0.21"
 clap = { version = "3", features = ["derive"] }
 easy-ext = "1"