arrow

GH-41095: [C++][FS][Azure] Add support for CopyFile with hierarchical namespace support (#41276)

### Rationale for this change

We need to add SAS (Shared Access Signatures) token for source URL.

### What changes are included in this PR?

Generate SAS token for source URL.

### Are these changes tested?

Yes.

### Are there any user-facing changes?

Yes.
* GitHub Issue: #41095

Authored-by: Sutou Kouhei <kou@clear-code.com>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>