Dependency upgrades, version bump, example structure, cargo-contract sync, CI fix

[cmichi]

• Move mapping and custom-static-buffer examples to internal folder.
• Bump version to 6.0.0-alpha.
• Sync with work on cargo-contract in Remove WebAssembly for PolkaVM + Migrate to pallet-revive cargo-contract#1910.
• Upgrade a number of external deps.

[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 65.16%. Comparing base (c2e0857) to head (f68274a).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
crates/e2e/src/contract_build.rs	0.00%	1 Missing ⚠️
crates/env/src/engine/off_chain/impls.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2379      +/-   ##
==========================================
+ Coverage   58.72%   65.16%   +6.43%     
==========================================
  Files         140      147       +7     
  Lines        5875    12151    +6276     
  Branches     2355        0    -2355     
==========================================
+ Hits         3450     7918    +4468     
- Misses       2425     4233    +1808     

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[github-actions]

🦑 📈 ink! Example Contracts ‒ Changes Report 📉 🦑

These are the results when building the integration-tests/* contracts from this branch with cargo-contract-contract and comparing them to ink! master:

Contract	Upstream Size (kB)	PR Size (kB)	Diff (kB)	Diff (%)	Change
call-builder-return-value	17.108	17.108	0	0	➖
e2e-runtime-only-backend	7.023	7.023	0	0	➖
lang-err/call-builder-delegate	7.716	7.716	0	0	➖
lang-err/call-builder	12.812	12.812	0	0	➖
lang-err/constructors-return-value	5.998	5.998	0	0	➖
lang-err/contract-ref	12.974	12.974	0	0	➖
lang-err/integration-flipper	5.444	5.444	0	0	➖
mapping	17.133	17.133	0	0	➖
mother	20.679	20.679	0	0	➖
sr25519-verification	3.717	3.717	0	0	➖
static-buffer	6.568	6.568	0	0	➖
storage-types	20.01	20.01	0	0	➖
call-runtime	6.953	6.953	0	0	➖
combined-extension	6.857	6.857	0	0	➖
conditional-compilation	4.811	4.811	0	0	➖
contract-invocation	13.446	13.446	0	0	➖
contract-invocation/contract1	5.796	5.796	0	0	➖
contract-invocation/contract2	5.548	5.548	0	0	➖
contract-invocation/virtual_contract	8.222	8.222	0	0	➖
contract-invocation/virtual_contract_ver1	5.182	5.182	0	0	➖
contract-invocation/virtual_contract_ver2	5.199	5.199	0	0	➖
contract-storage	12.985	12.985	0	0	➖
contract-terminate	4.981	4.981	0	0	➖
contract-transfer	7.876	7.876	0	0	➖
contract-xcm	45.629	45.629	0	0	➖
cross-contract-calls	14.74	14.74	0	0	➖
cross-contract-calls/other-contract	4.834	4.834	0	0	➖
custom-allocator	6.987	6.987	0	0	➖
custom-environment	5.98	5.98	0	0	➖
dns	17.188	17.188	0	0	➖
e2e-call-runtime	5.957	5.957	0	0	➖
erc1155	27.753	27.753	0	0	➖
erc20	17.379	17.379	0	0	➖
erc721	20.877	20.877	0	0	➖
events	12.759	12.759	0	0	➖
flipper	4.882	4.882	0	0	➖
incrementer	4.758	4.758	0	0	➖
lazyvec	9.821	9.821	0	0	➖
multi-contract-caller	20.076	20.076	0	0	➖
multi-contract-caller/accumulator	4.497	4.497	0	0	➖
multi-contract-caller/adder	7.333	7.333	0	0	➖
multi-contract-caller/subber	7.337	7.337	0	0	➖
multisig	37.953	37.953	0	0	➖
own-code-hash	7.48	7.48	0	0	➖
payment-channel	17.456	17.456	0	0	➖
psp22-extension	13.067	13.067	0	0	➖
rand-extension	8.538	8.538	0	0	➖
runtime-call-contract	4.837	4.837	0	0	➖
trait-dyn-cross-contract-calls	9.06	9.06	0	0	➖
trait-dyn-cross-contract-calls/contracts/incrementer	4.954	4.954	0	0	➖
trait-erc20	17.792	17.792	0	0	➖
trait-incrementer	5.026	5.026	0	0	➖
upgradeable-contracts/delegator	11.812	11.812	0	0	➖
upgradeable-contracts/delegator/delegatee	7.996	7.996	0	0	➖
upgradeable-contracts/delegator/delegatee2	8.002	8.002	0	0	➖
upgradeable-contracts/set-code-hash-migration	5.083	5.083	0	0	➖
upgradeable-contracts/set-code-hash-migration/migration	4.883	4.883	0	0	➖
upgradeable-contracts/set-code-hash-migration/updated-incrementer	5.434	5.434	0	0	➖
upgradeable-contracts/set-code-hash	5.083	5.083	0	0	➖
upgradeable-contracts/set-code-hash/updated-incrementer	4.931	4.931	0	0	➖
wildcard-selector	5.619	5.619	0	0	➖

Link to the run | Last update: Fri Jan 24 16:02:14 CET 2025