Update directory Docker rustc version to 1.81 (payjoin#619)

DanGould · web-flow · commit a18cbd3879fe · 2025-04-01T11:56:08.000-04:00
diff --git a/payjoin-directory/Dockerfile b/payjoin-directory/Dockerfile
@@ -1,5 +1,5 @@
 # Use the official Rust image as the builder
-FROM --platform=linux/amd64 rust:1.75-slim as builder
+FROM --platform=linux/amd64 rust:1.81-slim as builder
 
 WORKDIR /usr/src/payjoin-directory
 
