Update .golangci.yaml to ignore G115 bound checks

- securego/gosec#1187

Author: tjmoore4

.golangci.yaml

@@ -27,6 +27,10 @@ linters-settings:
             desc: >
               Use the "io" and "os" packages instead.
               See https://go.dev/doc/go1.16#ioutil
+  gosec:
+    excludes:
+      # Flags for potentially-unsafe casting of ints, similar problem to globally-disabled G103
+      - G115
 
       not-tests:
         files: ['!$test']