fix: allow double -- in permissions as command can have double __

[oscartbeaumont]

A command in Tauri can technically be called Something__Else (as it's a valid Rust identifier) which would map to allow-Something--Else in the default.toml permissions file, however the permissions file rejects the double -- so in practice it's impossible to grant the permission to run a command with a __ in it's name.

[github-actions]

Package Changes Through d88aa2d

There are 6 changes which include tauri-utils with patch, tauri with minor, @tauri-apps/api with minor, tauri-runtime-wry with minor, tauri-cli with patch, @tauri-apps/cli with patch

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	2.3.0	2.4.0
tauri-utils	2.2.0	2.2.1
tauri-bundler	2.2.4	2.2.5
tauri-runtime	2.4.0	2.4.1
tauri-runtime-wry	2.4.1	2.5.0
tauri-codegen	2.0.5	2.0.6
tauri-macros	2.0.5	2.0.6
tauri-plugin	2.0.5	2.0.6
tauri-build	2.0.6	2.0.7
tauri	2.3.1	2.4.0
@tauri-apps/cli	2.3.1	2.3.2
tauri-cli	2.3.1	2.3.2

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