chore: update Dockerfile-alpine

[Demonsthere]

Related issue(s)

Checklist

• I have read the contributing guidelines.
• I have referenced an issue containing the design document if my change
  introduces a new feature.
• I am following the
  contributing code guidelines.
• I have read the security policy.
• I confirm that this pull request does not address a security
  vulnerability. If this pull request addresses a security vulnerability, I
  confirm that I got the approval (please contact
  security@ory.sh) from the maintainers to push
  the changes.
• I have added tests that prove my fix is effective or that my feature
  works.
• I have added or changed the documentation.

Further Comments

[codecov]

Codecov Report

Merging #1128 (b7530bc) into master (461f088) will increase coverage by 0.57%.
Report is 1 commits behind head on master.
The diff coverage is n/a.

❗ Current head b7530bc differs from pull request most recent head f311432. Consider uploading reports for the commit f311432 to get more accurate results

@@            Coverage Diff             @@
##           master    #1128      +/-   ##
==========================================
+ Coverage   77.65%   78.22%   +0.57%     
==========================================
  Files          79       80       +1     
  Lines        3979     3863     -116     
==========================================
- Hits         3090     3022      -68     
+ Misses        608      566      -42     
+ Partials      281      275       -6     

see 2 files with indirect coverage changes