chore(deps): bump boto3 from 1.18.25 to 1.18.26 (#627)

Bumps [boto3](https://github.com/boto/boto3) from 1.18.25 to 1.18.26.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/boto/boto3/blob/develop/CHANGELOG.rst">boto3's changelog</a>.</em></p>
<blockquote>
<h1>1.18.26</h1>
<ul>
<li>api-change:<code>eks</code>: [<code>botocore</code>] Adds support for EKS add-ons &quot;preserve&quot; flag, which allows customers to maintain software on their EKS clusters after removing it from EKS add-ons management.</li>
<li>api-change:<code>comprehend</code>: [<code>botocore</code>] Add tagging support for Comprehend async inference job.</li>
<li>api-change:<code>robomaker</code>: [<code>botocore</code>] Documentation updates for RoboMaker</li>
<li>api-change:<code>ec2</code>: [<code>botocore</code>] encryptionInTransitSupported added to DescribeInstanceTypes API</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/boto/boto3/commit/c2b0842ecb87f78ac4f12403264c40abe4c57788"><code>c2b0842</code></a> Merge branch 'release-1.18.26'</li>
<li><a href="https://github.com/boto/boto3/commit/33668c22b79165a63fb062ac06ea13781dd818ca"><code>33668c2</code></a> Bumping version to 1.18.26</li>
<li><a href="https://github.com/boto/boto3/commit/c55af671128d18389ab61807da25a12f3c4578d8"><code>c55af67</code></a> Add changelog entries from botocore</li>
<li><a href="https://github.com/boto/boto3/commit/99eaf0eb4cfbb914f8876dfef466045ad4234668"><code>99eaf0e</code></a> Merge branch 'release-1.18.25' into develop</li>
<li>See full diff in <a href="https://github.com/boto/boto3/compare/1.18.25...1.18.26">compare view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=boto3&package-manager=pip&previous-version=1.18.25&new-version=1.18.26)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually 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 ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)


</details>

Author: dependabot[bot]

Diff for: poetry.lock

@@ -23,7 +23,7 @@ license = "MIT-0"
 python = "^3.6.1"
 aws-xray-sdk = "^2.8.0"
 fastjsonschema = "^2.14.5"
-boto3 = "^1.12"
+boto3 = "^1.18"
 jmespath = "^0.10.0"
 pydantic = {version = "^1.8.2", optional = true }
 email-validator = {version = "*", optional = true }