fix: Delete automation resources in correct order

[warber]

What this PR does / Why we need it:

This PR adapts the Delete logic so that deletion of automation resources is happening in correct order, Workflows --> Scheduling Rules --> BusinessCalendars.

Special notes for your reviewer:

Does this PR introduce a user-facing change?

[github-actions[bot]]

Unit Test Results

1 791 tests  ±0   1 791 :white_check_mark: ±0   16s :stopwatch: ±0s   127 suites ±0       0 :zzz: ±0      1 files   ±0       0 :x: ±0 

Results for commit fca21a45. ± Comparison against base commit 49f4d73b.

:recycle: This comment has been updated with latest results.

[github-actions[bot]]

E2E Test Results

    4 files  ±0    256 suites  ±0   21m 13s :stopwatch: + 2m 26s 1 900 tests ±0  1 899 :white_check_mark: ±0  1 :zzz: ±0  0 :x: ±0  1 980 runs  ±0  1 979 :white_check_mark: ±0  1 :zzz: ±0  0 :x: ±0 

Results for commit fca21a45. ± Comparison against base commit 49f4d73b.

:recycle: This comment has been updated with latest results.

[sonarcloud[bot]]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud