Docker postgres fix

[SchrodingersGat]

Update target versions of alpine and postgresql for our docker image.

• Ref: Docker / Postgres Versioning Issues #9040
• Closes [Docker] Update postgres version #6961
• Closes Update target version of postgresql #6648

Notes

• The latest available alpine image from microsoft (which we need to run the devcontainer) is alpine:3.20
• This supports up to postgres:16

TODO

• Update base image for devcontainer
• Build devcontainer as part of docker CI step
• Add documentation for postgresl version support in docker
• Add documentation for postgres database version upgrade - https://github.com/pgautoupgrade/docker-pgautoupgrade
• Test that changing docker-compose file (postgres:<x> tag) does not destroy database

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.63%. Comparing base (8493e5a) to head (f8ce4f3).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #9041      +/-   ##
==========================================
+ Coverage   85.55%   85.63%   +0.07%     
==========================================
  Files        1177     1177              
  Lines       52041    52041              
  Branches     2120     2120              
==========================================
+ Hits        44523    44563      +40     
+ Misses       6984     6928      -56     
- Partials      534      550      +16     

Flag	Coverage Δ
backend	87.35% <ø> (+<0.01%)	⬆️
migrations	42.88% <ø> (+<0.01%)	⬆️
pui	69.59% <ø> (+0.36%)	⬆️

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[matmair]

Last time we tried to bump it to 15 we ran into dependency issues fast, this has to be tested thoroughly

[wolflu05]

Looks good. But as @matmair said we have to test this properly, so that we don't have the same problem as last time (actually not sure what it was the last time).

[SchrodingersGat]

• Revert postgres version to 13 #7717
• Bump docker image alpine base from 3.18 to 3.20 #7699

[SchrodingersGat]

I believe that the issue is that we cannot force a change in the database image (e.g. postgres:13 -> postgres:16) - without the user performing a database migration.

However, we can update the inventree image to a newer version of the postgresql-client libs, which are backwards compatible.

Nominally we can change the docker-compose file, as anyone who has setup their docker stack has already downloaded and captured that file.

What we should do as part of this PR is provide an instruction for how to update from postgres:13 to postgres:16 (if users want to).

[matmair]

We also need to ensure that just switching out the docker-compose does not fry the database completely

[matmair]

TBH I do not understand most changes here

[SchrodingersGat]

To deal with the incompatibility between alpine:3.21 and the microsoft devcontainer setup, I have moved the devcontainer to a debian/bookworm image.

This has the added advantage that now our devcontainer setup can be used to run playwrigiht tests for the frontend "out of the box" - making the development path a lot smoother.

This is somewhat of a "regression" as the two docker setups used to be split in a similar fashion.

---

Note: Additionally, the dev container now builds and runs on M MacBooks too