Attempt to use image cache to make build faster

[skabashnyuk]

What does this PR do?

Attempt to use image cache to make build faster

Screenshot/screencast of this PR

n/a

What issues does this PR fix or reference?

Our docker image has a separate layer which is responsible to cache dependencies. To reuse this we nee to enable this capability and save layer for the next execution.
Context: https://github.com/docker/build-push-action/blob/master/docs/advanced/cache.md

How to test this PR?

n/a

[codecov]

Codecov Report

Merging #168 (15c8191) into main (81763d2) will decrease coverage by 0.48%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #168      +/-   ##
==========================================
- Coverage   61.91%   61.43%   -0.49%     
==========================================
  Files          51       51              
  Lines        3319     3319              
==========================================
- Hits         2055     2039      -16     
- Misses       1074     1085      +11     
- Partials      190      195       +5     

Impacted Files	Coverage Δ
controllers/spiaccesstokenbinding_controller.go	70.87% <0.00%> (-3.24%)	⬇️
pkg/spi-shared/tokenstorage/vault.go	51.40% <0.00%> (-2.81%)	⬇️
controllers/spiaccesstoken_controller.go	70.93% <0.00%> (-1.48%)	⬇️
integration_tests/serviceprovider_mock.go	81.42% <0.00%> (ø)

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