[Snyk] Security upgrade python from 3.12.0b3-alpine to 3.12.0rc2-alpine

[jamesgeddes]

This PR was automatically created by Snyk using the credentials of a real user.

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image. #### Changes included in this PR - docker/development/Dockerfile We recommend upgrading to `python:3.12.0rc2-alpine`, as this image has only 0 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected. Some of the most important vulnerabilities in your base image include: | Severity | Priority Score / 1000 | Issue | Exploit Maturity | | :------: | :-------------------- | :---- | :--------------- | |  | **786** | Out-of-bounds Write
[SNYK-ALPINE318-BUSYBOX-5890990](https://snyk.io/vuln/SNYK-ALPINE318-BUSYBOX-5890990) | No Known Exploit | |  | **786** | Out-of-bounds Write
[SNYK-ALPINE318-BUSYBOX-5890990](https://snyk.io/vuln/SNYK-ALPINE318-BUSYBOX-5890990) | No Known Exploit | |  | **786** | Out-of-bounds Write
[SNYK-ALPINE318-BUSYBOX-5890990](https://snyk.io/vuln/SNYK-ALPINE318-BUSYBOX-5890990) | No Known Exploit | |  | **514** | Improper Authentication
[SNYK-ALPINE318-OPENSSL-5776808](https://snyk.io/vuln/SNYK-ALPINE318-OPENSSL-5776808) | No Known Exploit | |  | **514** | Inefficient Regular Expression Complexity
[SNYK-ALPINE318-OPENSSL-5788370](https://snyk.io/vuln/SNYK-ALPINE318-OPENSSL-5788370) | No Known Exploit | --- **Note:** _You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs._ For more information: 🧐 [View latest project report](https://app.snyk.io/org/jamesgeddes/project/cd0d0286-66ac-448f-829c-7fda4a35a89d?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/jamesgeddes/project/cd0d0286-66ac-448f-829c-7fda4a35a89d?utm_source=github&utm_medium=referral&page=fix-pr/settings) [//]: # 'snyk:metadata:{"prId":"7caab7fd-779b-42a5-a716-bbea9f9ffd31","prPublicId":"7caab7fd-779b-42a5-a716-bbea9f9ffd31","dependencies":[{"name":"python","from":"3.12.0b3-alpine","to":"3.12.0rc2-alpine"}],"packageManager":"dockerfile","projectPublicId":"cd0d0286-66ac-448f-829c-7fda4a35a89d","projectUrl":"https://app.snyk.io/org/jamesgeddes/project/cd0d0286-66ac-448f-829c-7fda4a35a89d?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-ALPINE318-BUSYBOX-5890990","SNYK-ALPINE318-OPENSSL-5776808","SNYK-ALPINE318-OPENSSL-5788370"],"upgrade":["SNYK-ALPINE318-BUSYBOX-5890990","SNYK-ALPINE318-BUSYBOX-5890990","SNYK-ALPINE318-BUSYBOX-5890990","SNYK-ALPINE318-OPENSSL-5776808","SNYK-ALPINE318-OPENSSL-5788370"],"isBreakingChange":false,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[786,514,514],"remediationStrategy":"vuln"}' --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Inefficient Regular Expression Complexity](https://learn.snyk.io/lesson/redos/?loc=fix-pr)

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