apacheGH-45305: [CI] Bump Minio version and unpin boto3

Author: pitrou

ci/conda_env_python.txt

@@ -18,8 +18,7 @@
 # Don't add pandas here, because it is not a mandatory test dependency
 
 # Not a direct dependency of s3fs, but needed for our s3fs fixture
-# (temporary upper bound because of GH-45305)
-boto3<1.36
+boto3
 cffi
 cython>=3
 cloudpickle

ci/scripts/install_minio.sh

@@ -63,7 +63,7 @@ if [ "${version}" != "latest" ]; then
 fi
 
 # Use specific versions for minio server and client to avoid CI failures on new releases.
-minio_version="minio.RELEASE.2024-09-13T20-26-02Z"
+minio_version="minio.RELEASE.2025-01-20T14-49-07Z"
 mc_version="mc.RELEASE.2024-09-16T17-43-14Z"
 
 download()