Update dependencies

diff: 808d073...97e8bdc

Code Refactoring

• use getMultilineInput (#438)

Development

• rename master branch to main (#432)

Dependencies Update

Package	Old	New	PR(s)
actions/cache	2.1.5	2.1.6	#423
codecov/codecov-action	1.5.0	1.5.2	#433
@actions/core	1.3.0	1.4.0	#438
@types/node	12.20.13	12.20.15	#428,#435
@typescript-eslint/eslint-plugin	4.25.0	4.28.0	#427,#437,#440,#441
@typescript-eslint/parser	4.25.0	4.28.0	#425,#436,#439,#441
eslint	7.27.0	7.29.0	#429,#441
jest	27.0.1	27.0.5	#426,#430,#441
prettier	2.3.0	2.3.1	#431
ts-jest	27.0.0	27.0.3	#421,#424,#434
typescript	4.2.4	4.3.4	#422,#441