Update from upstream - 2026-08-25 (aws#187)

Co-authored-by: lambda-tooling+rie <lambda-tooling+rie@amazon.com>

Author: aws-sam-tooling-bot[bot]

Makefile

@@ -10,7 +10,7 @@ DESTINATION_old:= bin/${BINARY_NAME}
 DESTINATION_x86_64 := bin/${BINARY_NAME}-x86_64
 DESTINATION_arm64 := bin/${BINARY_NAME}-arm64
 
-run_in_docker = docker run --env GOPROXY=direct -v $(shell pwd):/LambdaRuntimeLocal -w /LambdaRuntimeLocal golang:1.25 $(1)
+run_in_docker = docker run --env GOPROXY=direct -v $(shell pwd):/LambdaRuntimeLocal -w /LambdaRuntimeLocal golang:1.26 $(1)
 
 compile-with-docker-all:
 	$(call run_in_docker, make compile-lambda-linux-all)

go.mod

@@ -1,6 +1,6 @@
 module github.com/aws/aws-lambda-runtime-interface-emulator
 
-go 1.25.7
+go 1.26.6
 
 require (
 	github.com/aws/aws-lambda-go v1.46.0