Adds Snyk error since there's available replacement

Author: inespo

.snyk

@@ -0,0 +1,9 @@
+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+version: v1.14.1
+# ignores vulnerabilities until expiry date; change duration by modifying expiry date
+ignore:
+  SNYK-JAVA-IOGRPC-571957:
+    - '*':
+        reason: no available replacement
+        expires: 2020-07-31T00:00:00.000Z
+patch: {}