chore(go): go-openapi requires go.1.20 across the board

Signed-off-by: Frederic BIDON <fredbi@yahoo.com>

updated dependencies

Signed-off-by: Frederic BIDON <fredbi@yahoo.com>

chore(deps): updated go-openapi deps

Signed-off-by: Frederic BIDON <fredbi@yahoo.com>

updated jsonpointer

Signed-off-by: Frederic BIDON <fredbi@yahoo.com>

enable github actions

Signed-off-by: Youyuan Wu <youyuanwu@outlook.com>

release v0.19.6

Merge pull request #7 from fredbi/ci-linting

updated CI

release v0.19.4