ci: Fix bug with deleting xts-candidate tag prior to creation or use

[rbarkerSL]

Description:

xts-candidate tag was failing to be deleted if it did not exist

Related Issue(s):

Fixes: #16156

Checklist

• Documented in Code comments
• Tested
  • locally in shell
  • through manually triggered github actions
    • Prepare XTS: https://github.com/hashgraph/hedera-services/actions/runs/11506585644
    • Execute XTS: https://github.com/hashgraph/hedera-services/actions/runs/11506615363

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.00% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (8c4f948)	99734	61521	61.69%
Head commit (21fd4b1)	99734 (+0)	61521 (+0)	61.69% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#16159)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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_{Codacy stopped sending the deprecated coverage status on June 5th, 2024. Learn more}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.08%. Comparing base (8c4f948) to head (21fd4b1).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff             @@
##             develop   #16159   +/-   ##
==========================================
  Coverage      58.08%   58.08%           
  Complexity     19799    19799           
==========================================
  Files           2726     2726           
  Lines          99917    99917           
  Branches       10320    10320           
==========================================
  Hits           58039    58039           
  Misses         38259    38259           
  Partials        3619     3619           

[github-actions]

Node: Timing Sensitive Unit Test Results

   91 files  ±0      1 errors  90 suites  ±0   29m 10s ⏱️ ±0s
8 222 tests ±0  8 197 ✅ ±0  25 💤 ±0  0 ❌ ±0 
8 912 runs  ±0  8 887 ✅ ±0  25 💤 ±0  0 ❌ ±0 

For more details on these parsing errors, see this check.

Results for commit 21fd4b1. ± Comparison against base commit 8c4f948.