chore: bump sam/build-java25

Bumps sam/build-java25 from `af599d0` to `b34fc78`.

---
updated-dependencies:
- dependency-name: sam/build-java25
  dependency-version: b34fc789a70464f080232ee96590a6d0c7249eb59b1c33deccaae08a882cac23
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

powertools-e2e-tests/src/test/resources/docker/Dockerfile

@@ -1,5 +1,5 @@
 # Use the official AWS SAM base image for Java 25
-FROM public.ecr.aws/sam/build-java25@sha256:af599d010afef63c83a04265dee9adbd4557d94b4a81941f28ae42657af7890d
+FROM public.ecr.aws/sam/build-java25@sha256:b34fc789a70464f080232ee96590a6d0c7249eb59b1c33deccaae08a882cac23
 
 # Install GraalVM dependencies
 RUN curl -4 -L https://download.oracle.com/graalvm/25/latest/graalvm-jdk-25_linux-x64_bin.tar.gz | tar -xvz