updated deps; updated healthchecks.io integration

vendor/gitlab.com/etke.cc/go/healthchecks/v2/healthchecks.go

@@ -0,0 +1,29 @@
+package healthchecks
+
+import (
+	"fmt"
+
+	"github.com/google/uuid"
+)
+
+// DefaultAPI base url for checks
+const DefaultAPI = "https://hc-ping.com"
+
+// ErrLog used to log errors occurred during an operation
+type ErrLog func(operation string, err error)
+
+// DefaultErrLog if you don't provide one yourself
+var DefaultErrLog = func(operation string, err error) {
+	fmt.Printf("healtchecks operation %q failed: %v\n", operation, err)
+}
+
+// New healthchecks client
+func New(options ...Option) *Client {
+	rid, _ := uuid.NewRandom()
+	c := &Client{
+		rid: rid.String(),
+	}
+	c.init(options...)
+
+	return c
+}