feat: change eth_maxPriorityFeePerGas to return UNSUPPORTED_METHOD

[simzzz]

Description:
This PR changes eth_maxPriorityFeePerGas to return UNSUPPORTED_METHOD

Related issue(s):

Fixes #3487

Checklist

• Documented (Code comments, README, etc.)
• Tested (unit, integration, etc.)

[github-actions]

Test Results

 19 files   -   5  245 suites   - 85   37m 1s ⏱️ - 10m 21s
629 tests  -   5  622 ✅ + 10  4 💤 ±0  3 ❌  - 15 
653 runs   - 351  646 ✅  - 334  4 💤 ±0  3 ❌  - 17 

For more details on these failures, see this check.

Results for commit 38c3bfc. ± Comparison against base commit 4fa65dc.

This pull request removes 6 and adds 1 tests. Note that renamed tests count towards both.

"before all" hook for "@release should execute "eth_getTransactionCount" primary" ‑ RPC Server Acceptance Tests Acceptance tests @api-batch-3 RPC Server Acceptance Tests eth_getTransactionCount "before all" hook for "@release should execute "eth_getTransactionCount" primary"
"before all" hook for "Function calling HederaTokenService.isToken(token)" ‑ RPC Server Acceptance Tests Acceptance tests @api-batch-3 RPC Server Acceptance Tests eth_call with contract that calls precompiles "before all" hook for "Function calling HederaTokenService.isToken(token)"
"before all" hook for "should individually update amountSpents of different spending plans" ‑ RPC Server Acceptance Tests Acceptance tests @hbarlimiter HBAR Limiter Acceptance Tests HBAR Rate Limit Tests HBAR Rate Limit For Different Spending Plan Tiers @hbarlimiter-batch1 Multiple users with different tiers "before all" hook for "should individually update amountSpents of different spending plans"
"before all" hook: beforeFunc for "001 Should call pureMultiply" ‑ RPC Server Acceptance Tests Acceptance tests @api-batch-3 RPC Server Acceptance Tests eth_call Caller contract With evm address "before all" hook: beforeFunc for "001 Should call pureMultiply"
"before all" hook: beforeFunc for "001 Should call pureMultiply" ‑ RPC Server Acceptance Tests Acceptance tests @api-batch-3 RPC Server Acceptance Tests eth_call Caller contract With long-zero address "before all" hook: beforeFunc for "001 Should call pureMultiply"
should execute "eth_maxPriorityFeePerGas" ‑ RPC Server Acceptance Tests Acceptance tests @api-batch-2 RPC Server Acceptance Tests @release Hardcoded RPC Endpoints should execute "eth_maxPriorityFeePerGas"

should not support "eth_maxPriorityFeePerGas" ‑ RPC Server Acceptance Tests Acceptance tests @api-batch-2 RPC Server Acceptance Tests @release Unsupported RPC Endpoints should not support "eth_maxPriorityFeePerGas"

♻️ This comment has been updated with latest results.

[quiet-node]

LGTM but let’s confirm that Fer is also aware of this, as updating a 200 HTTP response to a 400 could be a breaking change.

[quiet-node]

seems like the await can be dropped