chore: fix semgrep issues

[ghost]

This PR fixes the semgrep failures.

[github-actions]

Expected release notes (by @arys-splunk)

features:
remove splunk-appinspect dependency (#499) (a56e9d1)

others (will not be included in Semantic-Release notes):
fix semgrep issues (d39e214)
make tests run in parallel (#553) (acfddc8)
move test_cim_report.py to unit tests (#554) (43365bf)
add pyupgrade and isort to pre-commit (#552) (5acb649)
clean up helmut after initial refactoring (#544) (eb940bc)
3.0.0-beta.1 (d17c293)
remove test_events_with_untokenised_values from RequirementBasic (#543) (23deab5)
remove matrix option from test-splunk-matrix step (#545) (5464510)

• I hereby acknowledge these release notes are 🥙 AWESOME 🥙

[codecov-commenter]

Codecov Report

Merging #558 (d39e214) into develop (acfddc8) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff            @@
##           develop     #558   +/-   ##
========================================
  Coverage    94.72%   94.72%           
========================================
  Files           42       42           
  Lines         2557     2557           
========================================
  Hits          2422     2422           
  Misses         135      135           

Impacted Files	Coverage Δ
...ndard_lib/event_ingestors/file_monitor_ingestor.py	100.00% <100.00%> (ø)
...standard_lib/event_ingestors/hec_event_ingestor.py	100.00% <100.00%> (ø)
...tandard_lib/event_ingestors/hec_metric_ingestor.py	100.00% <100.00%> (ø)
...n/standard_lib/event_ingestors/hec_raw_ingestor.py	100.00% <100.00%> (ø)
..._lib/event_ingestors/requirement_event_ingester.py	54.25% <100.00%> (ø)
...n/standard_lib/requirement_tests/test_generator.py	70.98% <100.00%> (ø)

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