[Snyk] Security upgrade amazonlinux from latest to 2 (#2310)

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 


- src/testfiles/otel_daemon/Dockerfile

We recommend upgrading to `amazonlinux:2`, 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                                                                                                           | Issue                                                                     | Exploit Maturity      |
| :------:                                                                                                           | :----                                                                     | :---------------      |
| ![high severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/h.png "high severity")   | Integer Overflow or Wraparound <br/>[SNYK-AMZN2-KRB5LIBS-3244096](https://snyk.io/vuln/SNYK-AMZN2-KRB5LIBS-3244096)   | No Known Exploit   |
| ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity")   | Out-of-bounds Write <br/>[SNYK-AMZN2-VIMDATA-3244105](https://snyk.io/vuln/SNYK-AMZN2-VIMDATA-3244105)   | No Known Exploit   |
| ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity")   | Out-of-bounds Write <br/>[SNYK-AMZN2-VIMMINIMAL-3244088](https://snyk.io/vuln/SNYK-AMZN2-VIMMINIMAL-3244088)   | No Known Exploit   |



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[//]: # 'snyk:metadata:{"prId":"2b57a20d-47ea-4612-88f0-3248edceb33e","prPublicId":"2b57a20d-47ea-4612-88f0-3248edceb33e","dependencies":[{"name":"amazonlinux","from":"latest","to":"2"}],"packageManager":"dockerfile","projectPublicId":"70e8c43e-1af4-4f6c-97ce-f2acbe45f2f4","projectUrl":"https://app.snyk.io/org/asimonalcion.ai/project/70e8c43e-1af4-4f6c-97ce-f2acbe45f2f4?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-AMZN2-KRB5LIBS-3244096","SNYK-AMZN2-VIMMINIMAL-3244088","SNYK-AMZN2-VIMDATA-3244105"],"upgrade":["SNYK-AMZN2-KRB5LIBS-3244096","SNYK-AMZN2-VIMDATA-3244105","SNYK-AMZN2-VIMMINIMAL-3244088"],"isBreakingChange":false,"env":"prod","prType":"fix","templateVariants":["updated-fix-title"],"priorityScoreList":[null,null,null]}'

---

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src/testfiles/otel_daemon/Dockerfile

@@ -1,4 +1,4 @@
-FROM amazonlinux
+FROM amazonlinux:2
 RUN yum install -y unzip
 RUN curl -o daemon.zip https://s3.us-east-2.amazonaws.com/aws-xray-assets.us-east-2/xray-daemon/aws-xray-daemon-linux-3.x.zip
 RUN unzip daemon.zip && cp xray /usr/bin/xray