Add syntax and check declarations in Dockerfiles

[dhruvkb]

Description

This PR prevents annoying Docker warning annotations on PRs, specifically for the intentional violation of the rule InvalidDefaultArgInFrom in our Dockerfiles.

Testing Instructions

The PR should not have warning annotations from the docker/build-push-action for this specific class of warnings.

Checklist

• My pull request has a descriptive title (not a vague title likeUpdate index.md).
• My pull request targets the default branch of the repository (main) or a parent feature branch.
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added or updated tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no visible errors.
• I ran the DAG documentation generator (ov just catalog/generate-docs for catalog
  PRs) or the media properties generator (ov just catalog/generate-docs media-props
  for the catalog or ov just api/generate-docs for the API) where applicable.

Developer Certificate of Origin

Developer Certificate of Origin

Developer Certificate of Origin
Version 1.1

Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
1 Letterman Drive
Suite D4700
San Francisco, CA, 94129

Everyone is permitted to copy and distribute verbatim copies of this
license document, but changing it is not allowed.


Developer's Certificate of Origin 1.1

By making a contribution to this project, I certify that:

(a) The contribution was created in whole or in part by me and I
    have the right to submit it under the open source license
    indicated in the file; or

(b) The contribution is based upon previous work that, to the best
    of my knowledge, is covered under an appropriate open source
    license and I have the right under that license to submit that
    work with modifications, whether created in whole or in part
    by me, under the same open source license (unless I am
    permitted to submit under a different license), as indicated
    in the file; or

(c) The contribution was provided directly to me by some other
    person who certified (a), (b) or (c) and I have not modified
    it.

(d) I understand and agree that this project and the contribution
    are public and that a record of the contribution (including all
    personal information I submit with it, including my sign-off) is
    maintained indefinitely and may be redistributed consistent with
    this project or the open source license(s) involved.

[krysal]

Neat. Thank you!

[github-actions]

Latest k6 run output¹

     ✓ status was 200

     checks.........................: 100.00% ✓ 6400      ✗ 0   
     data_received..................: 1.5 GB  7.5 MB/s
     data_sent......................: 837 kB  4.2 kB/s
     http_req_blocked...............: avg=29.96µs  min=2.06µs  med=3.92µs   max=12.98ms p(90)=5.49µs   p(95)=5.91µs  
     http_req_connecting............: avg=25.62µs  min=0s      med=0s       max=12.93ms p(90)=0s       p(95)=0s      
     http_req_duration..............: avg=693.28ms min=39.13ms med=600.83ms max=2.63s   p(90)=1.24s    p(95)=1.35s   
       { expected_response:true }...: avg=693.28ms min=39.13ms med=600.83ms max=2.63s   p(90)=1.24s    p(95)=1.35s   
   ✓ http_req_failed................: 0.00%   ✓ 0         ✗ 6400
     http_req_receiving.............: avg=172.08µs min=43.64µs med=119µs    max=27.13ms p(90)=188.59µs p(95)=229.64µs
     http_req_sending...............: avg=29.45µs  min=6.24µs  med=19.38µs  max=3.73ms  p(90)=25.53µs  p(95)=27.24µs 
     http_req_tls_handshaking.......: avg=0s       min=0s      med=0s       max=0s      p(90)=0s       p(95)=0s      
     http_req_waiting...............: avg=693.08ms min=39ms    med=600.69ms max=2.63s   p(90)=1.24s    p(95)=1.35s   
     http_reqs......................: 6400    32.015965/s
     iteration_duration.............: avg=3.7s     min=1.33s   med=3.13s    max=10.51s  p(90)=7.21s    p(95)=7.54s   
     iterations.....................: 1200    6.002993/s
     vus............................: 1       min=1       max=30
     vus_max........................: 30      min=30      max=30

Footnotes

1. This comment will automatically update with new output each time k6 runs for this PR ↩