[ci]: docker image validator

[6r1d]

Description

Adds a script for #3969: prune docker-compose.yml files

[coveralls]

Pull Request Test Coverage Report for Build 7043469764

Warning: This coverage report may be inaccurate.

We've detected an issue with your CI configuration that might affect the accuracy of this pull request's coverage report.
To ensure accuracy in future PRs, please see these guidelines.
A quick fix for this PR: rebase it; your next report should be accurate.

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 7014 unchanged lines in 129 files lost coverage.
• Overall coverage decreased (-3.1%) to 56.307%

---

Files with Coverage Reduction	New Missed Lines	%
config/base/derive/src/view.rs	1	99.37%
config/src/block_sync.rs	1	95.0%
config/src/network.rs	1	93.75%
config/src/torii.rs	1	95.45%
config/src/wasm.rs	1	87.5%
core/src/smartcontracts/isi/block.rs	1	87.5%
config/src/kura.rs	2	79.41%
config/src/lib.rs	2	0.0%
ffi/src/option.rs	2	71.43%
config/src/genesis.rs	3	72.92%

Totals
Change from base Build 5423219773:	-3.1%
Covered Lines:	23025
Relevant Lines:	40892

---

💛 - Coveralls

[0x009922]

As you can see, you should also update consistency.sh.