Merge #1094

1094: Restrict tempfile to < 3.0.9 r=asomers a=asomers

tempfile release 3.0.9 raised the MSRV without a minor version bump.
See Stebalien/tempfile#100

Co-authored-by: Alan Somers <[email protected]>

Author: bors[bot]

Cargo.toml

@@ -28,7 +28,7 @@ cc = "1"
 bytes = "0.4.8"
 lazy_static = "1.2"
 rand = ">= 0.6, < 0.7"
-tempfile = "3.0.5"
+tempfile = ">= 3.0.5, < 3.0.9"
 
 [target.'cfg(any(target_os = "android", target_os = "linux"))'.dev-dependencies]
 caps = "0.3.1"