Sign both outer bundle and inner installer on Windows

[nazar-pc]

Should fix installation on Windows after #324 due to installation of unsigned .msi being not supported from signed .exe and resulting in errors like these:

[35E8:365C][2024-11-09T22:31:08]e312: Failed to extract payloads from container: WixAttachedContainer to working path: C:\Windows\Temp{2659BD1A-AD4F-41E3-97FB-DD05575D9E94}\2921D55D9706507495DD58643508D385E5DF6629, error: 0x80070001.
[35E8:35EC][2024-11-09T22:31:08]e000: Error 0x80070001: Failed while caching, aborting execution.
[3638:363C][2024-11-09T22:31:08]i372: Session end, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{ffa4f922-d8d4-4015-a8f7-78572989ff15}, resume: None, restart: None, disable resume: No
[3638:363C][2024-11-09T22:31:08]i330: Removed bundle dependency provider: {ffa4f922-d8d4-4015-a8f7-78572989ff15}
[3638:363C][2024-11-09T22:31:08]i352: Removing cached bundle: {ffa4f922-d8d4-4015-a8f7-78572989ff15}, from path: C:\ProgramData\Package Cache{ffa4f922-d8d4-4015-a8f7-78572989ff15}\
[3638:363C][2024-11-09T22:31:08]i371: Updating session, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{ffa4f922-d8d4-4015-a8f7-78572989ff15}, resume: None, restart initiated: No, disable resume: No
[35E8:35EC][2024-11-09T22:31:08]i399: Apply complete, result: 0x80070001, restart: None, ba requested restart:  No