fix(linux): Add missing RPM signature

[kandrelczyk]

Current version of CLI does not generate signatures for RPM files. I don't think there's any reason to exclude RPM so I guess it was simply missed. I've tested it locally and signature is generated correctly.

[FabianLars]

thanks for the pr! could you also add a small changefile similar to https://github.com/tauri-apps/tauri/blob/dev/.changes/nsis-ukranian.md ?

[github-actions]

Package Changes Through 4d3ea93

There are 8 changes which include tauri-cli with minor, tauri-runtime with minor, tauri-runtime-wry with minor, tauri-utils with minor, tauri with minor, @tauri-apps/api with minor, @tauri-apps/cli with minor, tauri-bundler 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	2.2.0	2.3.0
tauri-utils	2.1.1	2.2.0
tauri-bundler	2.2.3	2.2.4
tauri-runtime	2.3.0	2.4.0
tauri-runtime-wry	2.3.0	2.4.0
tauri-codegen	2.0.4	2.0.5
tauri-macros	2.0.4	2.0.5
tauri-plugin	2.0.4	2.0.5
tauri-build	2.0.5	2.0.6
tauri	2.2.5	2.3.0
@tauri-apps/cli	2.2.7	2.3.0
tauri-cli	2.2.7	2.3.0

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