backing-availability-audit: Move ErasureChunk Proof to BoundedVec (#3626)

* backing-availability-audit: Move ErasureChunk Proof to BoundedVec

* WIP

* Touch up

* Fix spelling mistake

* Address Feedback
15 jobs for master in 19 minutes and 6 seconds (queued for 6 seconds)
Name Stage Failure
failed
test-build-linux-stable Test

Caused by:
process didn't exit successfully: `sccache rustc --crate-name adder_collator --edition=2018 parachain/test-parachains/adder/collator/src/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C opt-level=3 -C embed-bitcode=no -C metadata=4ac85bc80f38a9e6 -C extra-filename=-4ac85bc80f38a9e6 --out-dir /builds/parity/polkadot/target/release/deps -L dependency=/builds/parity/polkadot/target/release/deps --extern futures=/builds/parity/polkadot/target/release/deps/libfutures-4edc8a5d15a18b17.rlib --extern futures_timer=/builds/parity/polkadot/target/release/deps/libfutures_timer-1546a90f55ff606b.rlib --extern log=/builds/parity/polkadot/target/release/deps/liblog-5466f7f1f77c3a84.rlib --extern parity_scale_codec=/builds/parity/polkadot/target/release/deps/libparity_scale_codec-97c71fbf18da4814.rlib --extern polkadot_cli=/builds/parity/polkadot/target/release/deps/libpolkadot_cli.rlib --extern polkadot_node_core_pvf=/builds/parity/polkadot/target/release/deps/libpolkadot_node_core_pvf-4a00bd54cf27282a.rlib --extern polkadot_node_primitives=/builds/parity/polkadot/target/release/deps/libpolkadot_node_primitives-eb2e65236fc59429.rlib --extern polkadot_node_subsystem=/builds/parity/polkadot/target/release/deps/libpolkadot_node_subsystem-600819ac3be30c96.rlib --extern polkadot_primitives=/builds/parity/polkadot/target/release/deps/libpolkadot_primitives-bc83f74a2b9f9ddb.rlib --extern polkadot_service=/builds/parity/polkadot/target/release/deps/libpolkadot_service-9c559f92e808c1eb.rlib --extern sc_authority_discovery=/builds/parity/polkadot/target/release/deps/libsc_authority_discovery-1eddc706566da3e4.rlib --extern sc_cli=/builds/parity/polkadot/target/release/deps/libsc_cli-015603abfbe3d7ca.rlib --extern sc_service=/builds/parity/polkadot/target/release/deps/libsc_service-72083bbfaf39595b.rlib --extern sp_core=/builds/parity/polkadot/target/release/deps/libsp_core-8de25b0536665afa.rlib --extern structopt=/builds/parity/polkadot/target/release/deps/libstructopt-32306e1f42e11579.rlib --extern test_parachain_adder=/builds/parity/polkadot/target/release/deps/libtest_parachain_adder-b13cb4b2af10c0ee.rlib --extern test_parachain_adder_collator=/builds/parity/polkadot/target/release/deps/libtest_parachain_adder_collator-b68e27546bb8eb5b.rlib -Cdebug-assertions=y -Dwarnings -L native=/builds/parity/polkadot/target/release/build/jemalloc-sys-7ffe5e8b2de46cdc/out/build/lib -L native=/builds/parity/polkadot/target/release/build/zstd-sys-a04478e8ca2f8be5/out -L native=/builds/parity/polkadot/target/release/build/ring-2840e7038a22ef67/out -L native=/builds/parity/polkadot/target/release/build/libz-sys-3c6efb158df5f85b/out/build -L native=/builds/parity/polkadot/target/release/build/psm-d24ecf5096236e4c/out -L native=/builds/parity/polkadot/target/release/build/wasmtime-runtime-a9c2eadc6494a49c/out -L native=/builds/parity/polkadot/target/release/build/blake3-df27c990f0ff1fc1/out -L native=/builds/parity/polkadot/target/release/build/blake3-df27c990f0ff1fc1/out -L native=/builds/parity/polkadot/target/release/build/librocksdb-sys-07289507be5e2393/out -L native=/builds/parity/polkadot/target/release/build/librocksdb-sys-07289507be5e2393/out -L native=/builds/parity/polkadot/target/release/build/lz4-sys-cf088e7439f367c4/out` (exit status: 2)

real 15m26.723s
user 125m18.027s
sys 14m57.324s
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
check-transaction-versions Build
2021-08-24 17:07:19 👶 Creating empty BABE epoch changes on what appears to be first startup.    
2021-08-24 17:07:19 🏷 Local node identity is: 12D3KooWMQFxkQSRLbuTCHeCGGcNTPhtXofFaQf83FRAaRSdwe44
2021-08-24 17:07:19 📦 Highest known block at #0
2021-08-24 17:07:19 〽️ Prometheus exporter started at 127.0.0.1:9615
2021-08-24 17:07:19 Listening for new connections on 127.0.0.1:9945.
2021-08-24 17:07:24 💤 Idle (0 peers), best: #0 (0x9170…8589), finalized #0 (0x9170…8589), ⬇ 0 ⬆ 0
[!] Both nodes not listening after 5 seconds. Exiting
Cleaning up file based variables
ERROR: Job failed: exit code 1