chore(deps): update rust docker tag to v1.89 (#188)

elastic-renovate-prod[bot] · web-flow · commit bc9e3fd1159e · 2025-08-12T18:55:20.000+02:00
Co-authored-by: elastic-renovate-prod[bot] &lt;174716857+elastic-renovate-prod[bot]@users.noreply.github.com&gt;
diff --git a/Dockerfile b/Dockerfile
@@ -4,7 +4,7 @@
 # To create a multi-arch image, run:
 # docker buildx build --platform linux/amd64,linux/arm64 --tag elasticsearch-core-mcp-server .
 
-FROM rust:1.88 AS builder
+FROM rust:1.89@sha256:c50cd6e20c46b0b36730b5eb27289744e4bb8f32abc90d8c64ca09decf4f55ba AS builder
 
 WORKDIR /app
 
diff --git a/Dockerfile-8000 b/Dockerfile-8000
@@ -5,7 +5,7 @@
 # To create a multi-arch image, run:
 # docker buildx build --platform linux/amd64,linux/arm64 --tag elasticsearch-core-mcp-server .
 
-FROM rust:1.88 AS builder
+FROM rust:1.89@sha256:c50cd6e20c46b0b36730b5eb27289744e4bb8f32abc90d8c64ca09decf4f55ba AS builder
 
 WORKDIR /app
 
