v20.4.0rc2

What's Changed

• Add soroban version test by @sisuresh in #4132
• Fix overflow in incomplete eviction scan check by @SirTyson in #4227
• Use git cli by @sisuresh in #4215
• Increase resources for settings upgrade utils by @sisuresh in #4233
• Add phase 2 Soroban config for testnet. by @dmkozh in #4232
• Bump dependencies March 2024 by @MonsieurNicolas in #4226
• Soroban Settings Docs by @sisuresh in #4235
• Simplify tx queue, remove transaction chains support by @marta-lokhova in #4196
• Workaround entropy bug GitHub by @MonsieurNicolas in #4241
• Don't use bash syntax in sh script by @MonsieurNicolas in #4242
• Reduce the range of the testnet write fees. by @dmkozh in #4239
• Small ergonomic improvements for the upgrade script. by @dmkozh in #4243
• Phase2 pubnet limits and fees by @anupsdf in #4238
• Apply refund to fee bump fee charged by @sisuresh in #4228
• Adds poolshare index for BucketsDB by @SirTyson in #4224
• Fix tx queue metrics by @marta-lokhova in #4237
• Monitor Soroban write fee and export it in LCM. by @dmkozh in #4251
• Stability fixes by @marta-lokhova in #4240
• Squash DB schema upgrades pre-21 by @ThomasBrady in #4254
• Fix prev dep tree by @sisuresh in #4263
• Populate the resource fee meta by @dmkozh in #4255
• Publish a few missed config metrics by @jayz22 in #4261
• Fix a main-thread assertion in the QuorumIntersectionChecker by @graydon in #4262
• Parallel bl db by @SirTyson in #4176
• Flag-protect the extra Soroban fee meta. by @dmkozh in #4264

Full Changelog: v20.3.0...v20.4.0rc2