error parsing oracle endpoint

[afeish]

What happened:
can't format oracle object storage as storage backend

What you expected to happen:
formating work correctly on oracle object storage

How to reproduce it (as minimally and precisely as possible):

juicefs format \
    --storage s3 \
    --bucket https://test-bucket.testns.compat.objectstorage.test-region.oraclecloud.com \
    --access-key testak\
    --secret-key testsk \
    tikv://localhost:2379/myjfs     myjfs

Anything else we need to know?

Environment:

• JuiceFS version (use juicefs --version) or Hadoop Java SDK version: juicefs version 1.1.0-dev+2022-11-22.84b45417
• Cloud provider or hardware configuration running JuiceFS: oracle
• OS (e.g cat /etc/os-release): Oracle Linux Server 8.7
• Kernel (e.g. uname -a): 5.4.17-2136.313.6.el8uek.x86_64 compact slices into bigger one #2 SMP Thu Oct 20 14:30:48 PDT 2022 x86_64 x86_64 x86_64 GNU/Linux
• Object storage (cloud provider and region, or self maintained): oracle
• Metadata engine info (version, cloud provider managed or self maintained): tikv
• Network connectivity (JuiceFS to metadata engine, JuiceFS to object storage): JuiceFS to object storage
• Others:

[zhijian-pro]

close by #3075