v0.5.0-dev6

What's Changed

• Add docs for how-to-setup keys with Ledger Nano devices by @anikitinDSR in #252
• Add testnet namespace by @anikitinDSR in #254
• Revert fastsync version to v0 by @askolesov in #256
• Fix state export by @askolesov in #257
• Fix commission withdraw in state export by @askolesov in #261
• Genesis for cheqd-testnet-3 chain by @askolesov in #262
• Reduce logrotate retention period to 7 days by @ankurdotb in #263
• Backmerge v0.3.x by @askolesov in #260
• Fix codecs by @askolesov in #255
• Improve Github Actions by adding super linter by @askolesov in #264
• Add euox pipefail check for bash scripts by @askolesov in #266

Full Changelog: v0.4.0...v0.5.0-dev6