variables:description can only be hardcoded as a variable is not interpreted inside variables:description of .gitlab-ci.yml
<!-- Title suggestion: [Feature flag] Cleanup <feature-flag-name> -->
## Summary
variables:description can be only hardcoded as a variable is not interpreted inside variables:description of .gitlab-ci.yml
## Steps
Use one variable as a description of another variable:
```
variables:
TEST_VAR: "testing of description"
NEXT_VAR:
value: "hello world"
description: $TEST_VAR
```
or
```
variables:
TEST_VAR: "testing of description"
NEXT_VAR: { value: "hello world", description: $TEST_VAR }
```
Then: CI/CD -> Pipelines -> Run pipeline -> Choose an MR (master) with the appropriate .gitlab-ci.yml.
Expected: the variable is interpreted inside the description.

Actual: the variable is not interpreted inside the description.

issue