Replace anz-bank/sysl/pkg/mod with anz-bank/pkg/mod

[ChloePlanet]

Changes proposed in this pull request:

• moved anz-bank/sysl/pkg/mod to anz-bank/pkg/mod

Checklist:

• [x] Added related tests

[codecov[bot]]

Codecov Report

Merging #1038 into master will increase coverage by 1.29%. The diff coverage is 85.32%.

@@            Coverage Diff             @@
##           master    #1038      +/-   ##
==========================================
+ Coverage   83.35%   84.64%   +1.29%     
==========================================
  Files          73       73              
  Lines       10609    10486     -123     
==========================================
+ Hits         8843     8876      +33     
+ Misses       1432     1308     -124     
+ Partials      334      302      -32     

Impacted Files	Coverage Δ
pkg/database/db_test_utils.go	83.33% <0.00%> (ø)
pkg/diagrams/plantuml.go	0.00% <0.00%> (ø)
pkg/mod/fs.go	62.85% <55.81%> (-6.96%)	:arrow_down:
pkg/importer/importer.go	63.15% <63.15%> (ø)
pkg/mermaid/datamodeldiagram/datamodeldiagram.go	61.90% <68.42%> (+3.33%)	:arrow_up:
pkg/parse/parse.go	85.01% <71.87%> (+1.03%)	:arrow_up:
pkg/parse/fs.go	90.90% <80.00%> (-9.10%)	:arrow_down:
...g/mermaid/integrationdiagram/integrationdiagram.go	83.19% <82.45%> (-1.19%)	:arrow_down:
pkg/parse/listener_impl.go	89.21% <83.58%> (-0.30%)	:arrow_down:
pkg/importer/openapi.go	86.12% <85.45%> (-3.32%)	:arrow_down:
... and 29 more