fix #521 - validator-blocker: add missing $ sign

[Timotej979]

Fixes #521

Changes:

• Added the missing $ sign (To enable the correct escape sequence) to the ENTRYPOINT script in the generated docker-compose for validator-blocker deployment.

Types of changes

What types of changes does your code introduce?

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Other (please describe):

Testing

Requires testing

• Yes
• No

In case you checked yes, did you write tests?

• Yes
• No

Comments about testing , should you have some (optional)

Tested it localy on my mac machine as well as a VM with Ubuntu as a base image and the validator-blocker was configured correctly and succesfully exited when the depending deployments/healthcheck to validator response was 200 (OK).

Further comments (optional)

Not a complex PR, really simple fix and probably mergable/ready for merge.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 24.13%. Comparing base (0ae4840) to head (5dd0366).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #522   +/-   ##
========================================
  Coverage    24.13%   24.13%           
========================================
  Files          121      121           
  Lines        19672    19672           
========================================
  Hits          4748     4748           
  Misses       14380    14380           
  Partials       544      544           

Flag	Coverage Δ
unittests	24.13% <ø> (ø)

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