fix(bundler) wix template escape character

[ioneyed]

What kind of change does this PR introduce? (check at least one)

• Bugfix
• Feature
• Docs
• New Binding Issue #___
• Code style update
• Refactor
• Build-related changes
• Other, please describe:

Does this PR introduce a breaking change? (check one)

• Yes. Issue #___
• No

The PR fulfills these requirements:

• When resolving a specific issue, it's referenced in the PR's title (e.g. fix: #xxx[,#xxx], where "xxx" is the issue number)
• A change file is added if any packages will require a version bump due to this PR per the instructions in the readme.

Other information:

An escape character is being recognized instead of the replacement pattern for variables in the WIX template.

Given:

manufacturer = acme
product_name = anvil

Current Registry Result:
Computer\HKEY_CURRENT_USER\Software{{{manufacturer}}}{{{product_name}}}

Expected Registry Result
Computer\HKEY_CURRENT_USER\Software\acme\anvil