Release v3.4.0

[agryaznov]

We keep ink! v3 updated with nice features and fixes from the master branch.

This release:

• Introduces the ink_env::pay_with_call! helper macro for the emulation of invoking payble messages in off-chain tests.
  As response to ink! developers request on our SE.
• Fixes contracts compilation error with the latest Rust +nightly #1417 (thanks @xgreenx).

See the back portation PR#1439 for details.

[cmichi]

Suggested change

	See the back portation PR[#1439](https://github.com/paritytech/ink/pull/1439) for details.
	See the back portation PR [#1439](https://github.com/paritytech/ink/pull/1439) for details.

[paritytech-cicd-pr]

🦑 📈 ink! Example Contracts ‒ Changes Report 📉 🦑

⚠️ The ink! master is ahead of your branch, this might skew the comparison data below.

These are the results when building the examples/* contracts from this branch with cargo-contract 1.5.0-ebd388e and comparing them to ink! master:

	Δ Optimized Size	Δ Used Gas	Total Optimized Size	Total Used Gas
accumulator	+1.03 K		1.03 K
adder	+2.13 K		2.13 K
contract-terminate	+0.94 K	+275_000	0.94 K	275_000
contract-transfer	+8.36 K	+75_000	8.36 K	75_000
delegate-calls	+2.95 K	+76_263	2.95 K	76_263
delegator	+6.37 K	+232_237	6.37 K	232_237
dns	+8.89 K	+225_000	8.89 K	225_000
erc1155	+17.18 K	+450_000	17.18 K	450_000
erc20	+8.49 K	+225_000	8.49 K	225_000
erc721	+11.81 K	+600_000	11.81 K	600_000
flipper	+1.31 K	+75_000	1.31 K	75_000
forward-calls	+2.88 K	+151_416	2.88 K	151_416
incrementer	+1.21 K		1.21 K
mother	+12.82 K		12.82 K
multisig	+25.79 K	+470_490	25.79 K	470_490
rand-extension	+3.92 K	+75_000	3.92 K	75_000
set-code-hash	+1.57 K		1.57 K
subber	+2.15 K		2.15 K
trait-erc20	+8.76 K	+225_000	8.76 K	225_000
trait-flipper	+1.00 K	+75_000	1.00 K	75_000
trait-incrementer	+1.19 K	+150_000	1.19 K	150_000
updated-incrementer	+9.86 K		9.86 K
upgradeable-flipper	+1.55 K		1.55 K

Link to the run | Last update: Fri Oct 21 19:45:03 CEST 2022

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (v3.x.x@0c98a39). Click here to learn what that means.
The diff coverage is n/a.

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  Hits              ?     4001           
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