fix(bundler): sanitize WiX binary identifiers (fix: #14681)

[justjavac]

What kind of change does this PR introduce?

Bug fix.

What is the current behavior?

MSI bundling fails when an external binary resolves to a filename that starts with a digit, for example externalBin = [bin/7za] resolving to 7za.exe on Windows.

WiX rejects that value when it is used as a Component/@Id:

error CNDL0014 : The Component/@Id attribute's value, '7za.exe', is not a legal identifier.

Closes #14681.

What is the new behavior?

MSI binary component IDs are normalized as WiX identifiers before rendering the .wxs template. Filenames keep their existing bundle path, but their WiX IDs now:

• replace - with _
• keep only ASCII letters, digits, _, and .
• get a leading _ when the first character is not a letter or _

So 7za.exe is emitted as _7za.exe for WiX while still installing the binary as 7za.exe.

Does this PR introduce a breaking change?

No.

Other information

Validated with:

• cargo test -p tauri-bundler
• cargo check -p tauri-bundler
• cargo clippy -p tauri-bundler --all-targets -- -D warnings
• cargo fmt --package tauri-bundler -- --check
• git diff --check
• End-to-end MSI build on Windows with a temporary Tauri app configured with externalBin = [bin/7za]; WiX candle.exe and light.exe completed successfully and generated an MSI.

[github-actions]

Package Changes Through 08216cc

There are 14 changes which include tauri-bundler with minor, tauri-cli with minor, @tauri-apps/cli with minor, tauri-utils with minor, tauri with minor, tauri-build with minor, tauri-macos-sign with minor, tauri-runtime-wry with minor, tauri-runtime with minor, tauri-codegen with minor, tauri-macros with minor, tauri-plugin with minor, tauri-driver with minor, @tauri-apps/api 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	2.11.1	2.12.0
tauri-utils	2.9.3	2.10.0
tauri-macos-sign	2.3.4	2.4.0
tauri-bundler	2.9.4	2.10.0
tauri-runtime	2.11.3	2.12.0
tauri-runtime-wry	2.11.4	2.12.0
tauri-codegen	2.6.3	2.7.0
tauri-macros	2.6.3	2.7.0
tauri-plugin	2.6.3	2.7.0
tauri-build	2.6.3	2.7.0
tauri	2.11.5	2.12.0
@tauri-apps/cli	2.11.4	2.12.0
tauri-cli	2.11.4	2.12.0
tauri-driver	2.0.6	2.1.0

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[Legend-Master]

Thanks