Refactor S3 integration tests to use weed mini (#7877)

* Refactor S3 integration tests to use weed mini

* Fix weed mini flags for sse and parquet tests

* Fix IAM test startup: remove -iam.config flag from weed mini

* Enhance logging in IAM Makefile to debug startup failure

* Simplify weed mini flags and checks in S3 tests (IAM, Parquet, SSE, Copying)

* Simplify weed mini flags and checks in all S3 tests

* Fix IAM tests: use -s3.iam.config for weed mini

* Replace timeout command with portable loop in IAM Makefile

* Standardize portable loop-based readiness checks in all S3 Makefiles

* Define SERVER_DIR in retention Makefile

* Fix versioning and retention Makefiles: remove unsupported weed mini flags

* fix filer_group test

* fix cors

* emojis

* fix sse

* fix retention

* fixes

* fix

* fixes

* fix parquet

* fixes

* fix

* clean up

* avoid duplicated debug server

* Update .gitignore

* simplify

* clean up

* add credentials

* bind

* delay

* Update Makefile

* Update Makefile

* check ready

* delay

* update remote credentials

* Update Makefile

* clean up

* kill

* Update Makefile

* update credentials

.gitignore

@@ -131,3 +131,5 @@ coverage.out
 test/s3/remote_cache/remote-server.pid
 test/s3/remote_cache/primary-server.pid
 /test/erasure_coding/filerldb2
+/test/s3/cors/test-mini-data
+/test/s3/filer_group/test-volume-data