deps: Upgrade to Solana v2 (#6908)

* solana: Update deps to 2.0.0

* Update lockfile

* Update toolchain version

* Update nightly version

* Fix check issues

* Fix clippy

* Revert upgrade for account compression libs

* Install build deps for serde test

* Fixup versions

* Fixup twoxtx build

* Revert solana install version

* Actually, get version 2.0.0 from the correct place

program/Cargo.toml

@@ -18,15 +18,15 @@ bytemuck = "1.16.1"
 num-derive = "0.4"
 num-traits = "0.2"
 num_enum = "0.7.2"
-solana-program = ">=1.18.11,<=2"
+solana-program = "2.0.0"
 thiserror = "1.0"
 
 [dev-dependencies]
 lazy_static = "1.5.0"
 proptest = "1.5"
 serial_test = "3.1.1"
-solana-program-test = ">=1.18.11,<=2"
-solana-sdk = ">=1.18.11,<=2"
+solana-program-test = "2.0.0"
+solana-sdk = "2.0.0"
 
 [lib]
 crate-type = ["cdylib", "lib"]