[Snyk] Security upgrade golang from 1.16-alpine to 1.19.6-alpine

[dradX]

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/Dockerfile We recommend upgrading to `golang:1.19.6-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 | | :------: | :-------------------- | :---- | :--------------- | |  | **400** | Loop with Unreachable Exit Condition ('Infinite Loop')
[SNYK-ALPINE315-OPENSSL-2426331](https://snyk.io/vuln/SNYK-ALPINE315-OPENSSL-2426331) | No Known Exploit | |  | **511** | Access of Resource Using Incompatible Type ('Type Confusion')
[SNYK-ALPINE315-OPENSSL-3314622](https://snyk.io/vuln/SNYK-ALPINE315-OPENSSL-3314622) | No Known Exploit | |  | **511** | Access of Resource Using Incompatible Type ('Type Confusion')
[SNYK-ALPINE315-OPENSSL-3314622](https://snyk.io/vuln/SNYK-ALPINE315-OPENSSL-3314622) | No Known Exploit | |  | **400** | Double Free
[SNYK-ALPINE315-OPENSSL-3314629](https://snyk.io/vuln/SNYK-ALPINE315-OPENSSL-3314629) | No Known Exploit | |  | **500** | Out-of-bounds Write
[SNYK-ALPINE315-ZLIB-2976173](https://snyk.io/vuln/SNYK-ALPINE315-ZLIB-2976173) | 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/dragan.radolovic.xlab/project/d813b054-c7d8-4e29-b2e6-02e7c3caec09?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/dragan.radolovic.xlab/project/d813b054-c7d8-4e29-b2e6-02e7c3caec09?utm_source=github&utm_medium=referral&page=fix-pr/settings) [//]: # 'snyk:metadata:{"prId":"d4e2ab95-a964-4530-b844-ae1266c2ad91","prPublicId":"d4e2ab95-a964-4530-b844-ae1266c2ad91","dependencies":[{"name":"golang","from":"1.16-alpine","to":"1.19.6-alpine"}],"packageManager":"dockerfile","projectPublicId":"d813b054-c7d8-4e29-b2e6-02e7c3caec09","projectUrl":"https://app.snyk.io/org/dragan.radolovic.xlab/project/d813b054-c7d8-4e29-b2e6-02e7c3caec09?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-ALPINE315-OPENSSL-3314622","SNYK-ALPINE315-ZLIB-2976173","SNYK-ALPINE315-OPENSSL-3314629","SNYK-ALPINE315-OPENSSL-2426331"],"upgrade":["SNYK-ALPINE315-OPENSSL-2426331","SNYK-ALPINE315-OPENSSL-3314622","SNYK-ALPINE315-OPENSSL-3314622","SNYK-ALPINE315-OPENSSL-3314629","SNYK-ALPINE315-ZLIB-2976173"],"isBreakingChange":false,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[511,500,400,400]}' --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Learn about vulnerability in an interactive lesson of Snyk Learn.](https://learn.snyk.io/?loc=fix-pr)

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0 Vulnerabilities
1 Security Hotspot
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