chore(deps): update rust docker tag to v1.91 (#26)

renovate[bot] · web-flow · commit f2abe95a38cb · 2025-12-10T08:53:23.000-07:00
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.89 AS builder
+FROM rust:1.91 AS builder
 
 WORKDIR app
 COPY . .
