Blitz: Clean Up

Required

• The app complies with the inclusion criteria
• All related fdroiddata and RFP issues have been referenced in this merge request
• Builds with fdroid build

Strongly Recommended

• The upstream app source code repo contains the app metadata (summary/description/images/changelog/etc) in a Fastlane or Triple-T folder structure
• Releases are tagged

Suggested

• External repos are added as git submodules instead of srclibs
• Multiple apks for native code

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Related: !14570 (merged), !14694 (merged), !14704 (merged)

This merge request:

• Restores release v1.5.2 because it is currently the most recent successful build available on F-Droid but it was removed from the metadata in !14704 (merged)
• Removes release v1.5.4 from the metadata because it failed to build due to missing instructions to install openjdk-17
• Adds release v1.5.8 instead of v1.5.7 as the latest release, with additional instructions to install openjdk-17