Only build Docker images for Crossdock tests for linux/amd64

[varshith257]

Which problem is this PR solving?

• Resolves [test] Crossdock tests do not need to build Docker images for all architectures #5350

Description of the changes

• Added the logic same in the docker-image CI to build linux/amd64 architecture only

How was this change tested?

• Not yet

Checklist

• I have read https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
• I have signed all commits
• I have added unit tests for the new functionality
• I have run lint and test steps successfully
  • for jaeger: make lint test
  • for jaeger-ui: yarn lint and yarn test

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.21%. Comparing base (4092dec) to head (68c370f).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5410      +/-   ##
==========================================
+ Coverage   95.19%   95.21%   +0.01%     
==========================================
  Files         346      346              
  Lines       16916    16916              
==========================================
+ Hits        16104    16106       +2     
+ Misses        610      609       -1     
+ Partials      202      201       -1     

Flag	Coverage Δ
badger_v1	10.30% <ø> (ø)
badger_v2	6.41% <ø> (?)
cassandra-3.x	18.15% <ø> (ø)
cassandra-4.x	18.15% <ø> (ø)
elasticsearch-5.x	21.03% <ø> (ø)
elasticsearch-6.x	21.01% <ø> (ø)
elasticsearch-7.x	21.08% <ø> (ø)
elasticsearch-8.x	21.27% <ø> (+0.01%)	⬆️
grpc_v1	12.63% <ø> (+0.02%)	⬆️
grpc_v2	11.53% <ø> (ø)
kafka	9.97% <ø> (ø)
opensearch-1.x	21.12% <ø> (-0.02%)	⬇️
opensearch-2.x	21.12% <ø> (-0.02%)	⬇️
unittests	91.48% <ø> (+0.01%)	⬆️

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[varshith257]

@yurishkuro PTAL

	docker buildx build --target release \
		--tag jaegertracing/$component:latest \
		--build-arg base_image=localhost:5000/baseimg_alpine:latest \
		--build-arg debug_image=localhost:5000/debugimg_alpine:latest \
		--build-arg TARGETARCH=amd64 \

[yurishkuro]

Great, I am not seeing other arches in the logs, and the step run time went down from 10m to 6m.

Thanks!