* all: remove dependency on deprecated github.com/pkg/errors

$ pkgerrors -fix ./...
$ goimports -w .

Signed-off-by: Koichi Shiraishi <zchee.io@gmail.com>

* all: fix missing convert

Signed-off-by: Koichi Shiraishi <zchee.io@gmail.com>

* pkg/types/hashedrekord: fix lint sugggestion

Signed-off-by: Koichi Shiraishi <zchee.io@gmail.com>

* go.mod: go mod tidy

Signed-off-by: Koichi Shiraishi <zchee.io@gmail.com>

* pkg/types/hashedrekord: fix unconverted by pkgerrors

Signed-off-by: Koichi Shiraishi <zchee.io@gmail.com>