Bump wasm-instrument from 0.3.0 to 0.4.0 (#1294)

Bumps [wasm-instrument](https://github.com/paritytech/wasm-instrument)
from 0.3.0 to 0.4.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/paritytech/wasm-instrument/blob/master/CHANGELOG.md">wasm-instrument's
changelog</a>.</em></p>
<blockquote>
<h1>Changelog</h1>
<p>All notable changes to this project will be documented in this
file.</p>
<p>The format is based on <a
href="https://keepachangelog.com/en/1.0.0/">Keep a Changelog</a>,
and this project adheres to <a
href="https://semver.org/spec/v2.0.0.html">Semantic Versioning</a>.</p>
<p>The semantic versioning guarantees cover the interface to the
substrate runtime which
includes this pallet as a dependency. This module will also add storage
migrations whenever
changes require it. Stability with regard to offchain tooling is
explicitly excluded from
this guarantee: For example adding a new field to an in-storage data
structure will require
changes to frontends to properly display it. However, those changes will
still be regarded
as a minor version bump.</p>
<p>The interface provided to smart contracts will adhere to semver with
one exception: Even
major version bumps will be backwards compatible with regard to already
deployed contracts.
In other words: Upgrading this pallet will not break pre-existing
contracts.</p>
<h2>[Unreleased]</h2>
<h3>New</h3>
<ul>
<li>Add new gas metering method: mutable global + local gas function
<a
href="https://redirect.github.com/paritytech/wasm-instrument/pull/34">#34</a></li>
<li>Account for locals initialization costs
<a
href="https://redirect.github.com/paritytech/wasm-instrument/pull/38">#38</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a
href="https://github.com/paritytech/wasm-instrument/commits/v0.4.0">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=wasm-instrument&package-manager=cargo&previous-version=0.3.0&new-version=0.4.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores

)

You can trigger a rebase of this PR by commenting `@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after
your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge
and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating
it. You can achieve the same result by closing it manually
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore <dependency name> major version` will close this
group update PR and stop Dependabot creating any more for the specific
dependency's major version (unless you unignore this specific
dependency's major version or upgrade to it yourself)
- `@dependabot ignore <dependency name> minor version` will close this
group update PR and stop Dependabot creating any more for the specific
dependency's minor version (unless you unignore this specific
dependency's minor version or upgrade to it yourself)
- `@dependabot ignore <dependency name>` will close this group update PR
and stop Dependabot creating any more for the specific dependency
(unless you unignore this specific dependency or upgrade to it yourself)
- `@dependabot unignore <dependency name>` will remove all of the ignore
conditions of the specified dependency
- `@dependabot unignore <dependency name> <ignore condition>` will
remove the ignore condition of the specified dependency and ignore
conditions


</details>

> **Note**
> Automatic rebases have been disabled on this pull request as it has
been open for over 30 days.

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>