[Snyk] Security upgrade postgres from 15.3-alpine to 15.7-alpine

[yurake]

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 - kubernetes/postgres/Dockerfile We recommend upgrading to `postgres:15.7-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 | | :------: | :-------------------- | :---- | :--------------- | |  | **614** | Use After Free
[SNYK-ALPINE318-LIBXML2-6245694](https://snyk.io/vuln/SNYK-ALPINE318-LIBXML2-6245694) | No Known Exploit | |  | **614** | CVE-2023-5363
[SNYK-ALPINE318-OPENSSL-6032386](https://snyk.io/vuln/SNYK-ALPINE318-OPENSSL-6032386) | No Known Exploit | |  | **614** | CVE-2023-5363
[SNYK-ALPINE318-OPENSSL-6032386](https://snyk.io/vuln/SNYK-ALPINE318-OPENSSL-6032386) | No Known Exploit | |  | **514** | Improper Check for Unusual or Exceptional Conditions
[SNYK-ALPINE318-OPENSSL-6055795](https://snyk.io/vuln/SNYK-ALPINE318-OPENSSL-6055795) | No Known Exploit | |  | **514** | CVE-2024-0727
[SNYK-ALPINE318-OPENSSL-6191692](https://snyk.io/vuln/SNYK-ALPINE318-OPENSSL-6191692) | 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/yurake/project/0b426e4d-31da-4e23-aad2-63867b1c24c5?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/yurake/project/0b426e4d-31da-4e23-aad2-63867b1c24c5?utm_source=github&utm_medium=referral&page=fix-pr/settings) [//]: # 'snyk:metadata:{"prId":"341ef11f-c900-493b-bf08-1f5e47c2efee","prPublicId":"341ef11f-c900-493b-bf08-1f5e47c2efee","dependencies":[{"name":"postgres","from":"15.3-alpine","to":"15.7-alpine"}],"packageManager":"dockerfile","projectPublicId":"0b426e4d-31da-4e23-aad2-63867b1c24c5","projectUrl":"https://app.snyk.io/org/yurake/project/0b426e4d-31da-4e23-aad2-63867b1c24c5?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-ALPINE318-LIBXML2-6245694","SNYK-ALPINE318-OPENSSL-6032386","SNYK-ALPINE318-OPENSSL-6191692","SNYK-ALPINE318-OPENSSL-6055795"],"upgrade":["SNYK-ALPINE318-LIBXML2-6245694","SNYK-ALPINE318-OPENSSL-6032386","SNYK-ALPINE318-OPENSSL-6032386","SNYK-ALPINE318-OPENSSL-6055795","SNYK-ALPINE318-OPENSSL-6191692"],"isBreakingChange":false,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[614,614,514,514],"remediationStrategy":"vuln"}' --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Use After Free](https://learn.snyk.io/lesson/use-after-free/?loc=fix-pr)

[what-the-diff[bot]]

PR Summary

• Updated Base Image in Dockerfile The Dockerfile, a set of instructions used to create a Docker image, has been updated. Specifically, we've upgraded the base image of PostgreSQL from version 15.3 to 15.7 on the Alpine platform. The benefits of this update include the latest performance improvements, security patches, and new features from PostgreSQL. This not only enhances our application's stability and security but potentially also its performance.

[codeclimate[bot]]

Code Climate has analyzed commit 388f4175 and detected 0 issues on this pull request.

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[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud