feat(bundler): add configurable detach retries for DMG creation

[muratclk]

Summary

Adds a detachRetries configuration option to DmgConfig that controls the maximum number of attempts to detach (unmount) the disk image during DMG creation. This addresses the hdiutil: detach: timeout for DiskArbitration expired errors that occur in CI environments when building large apps (~400MB+ DMGs).

Changes

• Added detachRetries field to DmgConfig (tauri-utils) with a default of 3 (preserving current behavior)
• Added corresponding detach_retries field to DmgSettings (tauri-bundler)
• Mapped config through CLI interface (rust.rs)
• Modified bundle_dmg shell script to read TAURI_DMG_DETACH_RETRIES env var instead of hardcoded value
• Passed the env var from Rust when invoking the bundle script
• Updated all three JSON schema files with the new property

Configuration

Users can set this in tauri.conf.json:

{
  "bundle": {
    "macOS": {
      "dmg": {
        "detachRetries": 10
      }
    }
  }
}

The default value of 3 preserves backward compatibility. Users experiencing timeout issues (especially in CI with large apps) can increase this value.

Closes #14686

[github-actions]

Package Changes Through edcad49

There are 10 changes which include tauri with minor, @tauri-apps/api with minor, tauri-macos-sign with patch, tauri-build with patch, tauri-runtime with minor, tauri-runtime-wry with minor, tauri-bundler with minor, tauri-cli with minor, @tauri-apps/cli with minor, tauri-utils with minor

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request.

package	current	next
@tauri-apps/api	2.10.1	2.11.0
tauri-utils	2.8.3	2.9.0
tauri-macos-sign	2.3.3	2.3.4
tauri-bundler	2.8.1	2.9.0
tauri-runtime	2.10.1	2.11.0
tauri-runtime-wry	2.10.1	2.11.0
tauri-codegen	2.5.5	2.5.6
tauri-macros	2.5.5	2.5.6
tauri-plugin	2.5.4	2.5.5
tauri-build	2.5.6	2.5.7
tauri	2.10.3	2.11.0
@tauri-apps/cli	2.10.1	2.11.0
tauri-cli	2.10.1	2.11.0

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