chore: Accumulated backports to v4

[AztecBot]

BEGIN_COMMIT_OVERRIDE
fix(aztec-cli): release TXE port and kill bb children on shutdown (#22730)
END_COMMIT_OVERRIDE

[AztecBot]

Flakey Tests

🤖 says: This CI run detected 2 tests that failed, but were tolerated due to a .test_patterns.yml entry.

\033FLAKED\033 (8;;http://ci.aztec-labs.com/29fde288ddf20975�29fde288ddf209758;;�):  yarn-project/end-to-end/scripts/run_test.sh simple src/e2e_epochs/epochs_l1_reorgs.parallel.test.ts "updates L1 to L2 messages changed due to an L1 reorg" (67s) (code: 0) group:e2e-p2p-epoch-flakes
\033FLAKED\033 (8;;http://ci.aztec-labs.com/c98f8f6bd014064b�c98f8f6bd014064b8;;�):  yarn-project/end-to-end/scripts/run_test.sh simple src/e2e_epochs/epochs_invalidate_block.parallel.test.ts "proposer invalidates previous block with shuffled attestations" (154s) (code: 0) group:e2e-p2p-epoch-flakes