fix: Remove implicit trailing whitespace from the agents.architecture column

[fregataa]

alter table column type agents.archtecture from CHAR to String

[codecov]

Codecov Report

Merging #559 (69a9209) into main (3d5fda0) will increase coverage by 0.51%.
The diff coverage is 37.71%.

❗ Current head 69a9209 differs from pull request most recent head 68532af. Consider uploading reports for the commit 68532af to get more accurate results

@@            Coverage Diff             @@
##             main     #559      +/-   ##
==========================================
+ Coverage   48.82%   49.33%   +0.51%     
==========================================
  Files          54       55       +1     
  Lines        8951     8991      +40     
==========================================
+ Hits         4370     4436      +66     
+ Misses       4581     4555      -26     

Impacted Files	Coverage Δ
src/ai/backend/manager/api/events.py	35.63% <0.00%> (-0.42%)	⬇️
src/ai/backend/manager/api/manager.py	37.26% <0.00%> (-0.63%)	⬇️
src/ai/backend/manager/models/domain.py	58.28% <0.00%> (ø)
src/ai/backend/manager/models/group.py	45.51% <0.00%> (ø)
src/ai/backend/manager/models/session_template.py	31.64% <0.00%> (ø)
src/ai/backend/manager/scheduler/dispatcher.py	24.73% <4.16%> (-0.80%)	⬇️
src/ai/backend/manager/api/utils.py	52.00% <9.09%> (-6.30%)	⬇️
src/ai/backend/manager/models/vfolder.py	33.57% <11.47%> (-6.62%)	⬇️
src/ai/backend/manager/registry.py	18.29% <12.50%> (+1.18%)	⬆️
src/ai/backend/manager/cli/image_impl.py	23.15% <23.15%> (ø)
... and 34 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b85d148...68532af. Read the comment docs.