chore: Add rust version

Author: shahnami

crates/solver-account/Cargo.toml

@@ -2,6 +2,7 @@
 name = "solver-account"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.86.0"
 
 [dependencies]
 alloy-consensus = "0.8"

crates/solver-config/Cargo.toml

@@ -2,6 +2,7 @@
 name = "solver-config"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.86.0"
 
 [dependencies]
 regex = "1.10"

crates/solver-core/Cargo.toml

@@ -2,6 +2,7 @@
 name = "solver-core"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.86.0"
 
 [dependencies]
 solver-types = { path = "../solver-types" }

crates/solver-delivery/Cargo.toml

@@ -2,6 +2,7 @@
 name = "solver-delivery"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.86.0"
 
 [dependencies]
 alloy-provider = "0.8"

crates/solver-discovery/Cargo.toml

@@ -2,6 +2,7 @@
 name = "solver-discovery"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.86.0"
 
 [dependencies]
 alloy-contract = "0.8"

crates/solver-order/Cargo.toml

@@ -2,6 +2,7 @@
 name = "solver-order"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.86.0"
 
 [dependencies]
 alloy-primitives = "0.8"

crates/solver-service/Cargo.toml

@@ -2,6 +2,7 @@
 name = "solver-service"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.86.0"
 
 [[bin]]
 name = "solver"

crates/solver-settlement/Cargo.toml

@@ -2,6 +2,7 @@
 name = "solver-settlement"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.86.0"
 
 [dependencies]
 alloy-primitives = "0.8"

crates/solver-storage/Cargo.toml

@@ -2,6 +2,7 @@
 name = "solver-storage"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.86.0"
 
 [dependencies]
 async-trait = "0.1"

crates/solver-types/Cargo.toml

@@ -2,6 +2,7 @@
 name = "solver-types"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.86.0"
 
 [dependencies]
 alloy-primitives = { version = "0.8", features = ["std", "serde"] }