fix: more conservative polygon gas price estimates (#5134)

applies fix from this ethers PR:
hyperlane-xyz/ethers-rs#30

> applies a multiplier of 1.5x to the base fee (or maxFee) and one of
1.1 to the priority fee, since the ones retrieved from the polygon api
are too low

rust/main/Cargo.toml

@@ -198,27 +198,27 @@ overflow-checks = true
 [workspace.dependencies.ethers]
 features = []
 git = "https://github.com/hyperlane-xyz/ethers-rs"
-tag = "2024-12-30"
+tag = "2025-01-09"
 
 [workspace.dependencies.ethers-contract]
 features = ["legacy"]
 git = "https://github.com/hyperlane-xyz/ethers-rs"
-tag = "2024-12-30"
+tag = "2025-01-09"
 
 [workspace.dependencies.ethers-core]
 features = []
 git = "https://github.com/hyperlane-xyz/ethers-rs"
-tag = "2024-12-30"
+tag = "2025-01-09"
 
 [workspace.dependencies.ethers-providers]
 features = []
 git = "https://github.com/hyperlane-xyz/ethers-rs"
-tag = "2024-12-30"
+tag = "2025-01-09"
 
 [workspace.dependencies.ethers-signers]
 features = ["aws"]
 git = "https://github.com/hyperlane-xyz/ethers-rs"
-tag = "2024-12-30"
+tag = "2025-01-09"
 
 [patch.crates-io.curve25519-dalek]
 branch = "v3.2.2-relax-zeroize"