also update snapshot when reaching the end of a dialogue

breaking: allow to select starting node when creating a dialogue runner

fix issue with dialogueRunner.Snapshot(...) after reaching the end of a dialogue

try to fix ignore patterns for codecov

try to set -coverpkg=./... option for coverage in CI

fix duplicate codecov.yml files

update go version & github actions versions

add DialogueRunner#JumpTo(nodeName) method

fix rng not being initialized for RandomBestLeastRecentlyViewedSaliencyStrategy

add support for 'once' clause for lines

remove actually unneeded method Stack#CopyAsSlice

fix wrong current node being saved in snapshot when in a detour

git ignore testdata/dialogue.json

update go dependencies and fix some typos

exclude internal/parser package from codecov reports