Tonkeeper v26.6.0

What's Changed

• fix(desktop): bundle libsecret in Linux artifacts (#374) by @nstus in #634
• feat(desktop): add update-available banner for Linux by @nstus in #633
• fix(core): check manifest origin match by @nstus in #642
• fix(ios): testnet badge by @nstus in #643
• fix(extension): TK-1143 by @nstus in #644
• TK-1122(uikit): Telegram OAuth result leak by @nstus in #651
• TK-1121(extension): TonAPI request handler bypass by @nstus in #652
• TK-1127(core): Search query interpolation without URL encoding by @nstus in #653
• TK-1123(core): Signer signature leak via error message by @nstus in #654
• TK-1158(core): refactor connection error logging by @nstus in #657
• TK-1420: TON->Gram by @nstus in #664

Full Changelog: v4.7.0...v26.6.0