build: update rust version in dockerfiles (#698)

Signed-off-by: Joseph Livesey <[email protected]>

Author: suchapalaver

Dockerfile.indexer-service-rs

@@ -1,4 +1,4 @@
-FROM rust:1.81-bookworm as build
+FROM rust:1.86-bookworm as build
 
 WORKDIR /root
 COPY . .

Dockerfile.indexer-tap-agent

@@ -1,4 +1,4 @@
-FROM rust:1.81-bookworm as build
+FROM rust:1.86-bookworm as build
 
 WORKDIR /root
 COPY . .

contrib/indexer-service/Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1.81-bookworm as build
+FROM rust:1.86-bookworm as build
 WORKDIR /root
 # Copy from the root project directory (two levels up)
 COPY ../../ .

contrib/tap-agent/Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1.81-bookworm as build
+FROM rust:1.86-bookworm as build
 
 WORKDIR /root
 COPY . .