bump voltha-lib-go version

go.mod
go.sum
vendor/modules.txt
------------------
  o Increment version string and regenerate dependencies.

Change-Id: I2b5662eed71c7897c5ca37cfa236e09b20c97a69
diff --git a/go.sum b/go.sum
index 7b88425..3405524 100644
--- a/go.sum
+++ b/go.sum
@@ -178,9 +178,8 @@
 github.com/onsi/gomega v1.14.0/go.mod h1:cIuvLEne0aoVhAgh/O6ac0Op8WWw9H6eYCriF+tEHG0=
 github.com/opencord/goloxi v1.0.1 h1:QCOZUqgNLi72ylaIPWSLvSvGVDB2FHyatIkAePXr+Dk=
 github.com/opencord/goloxi v1.0.1/go.mod h1:A5U6uO6EaPuQkB5N1RjIV66tYgsKejiGTsEZrU/c19A=
-github.com/opencord/voltha-lib-go/v7 v7.5.2 h1:kmzfkjFRtkniNExJY6VoofUSxWV/4HZ0vqWZZ9PFs6U=
-github.com/opencord/voltha-lib-go/v7 v7.5.2/go.mod h1:SyCVTAkkh5mXxOhUibGZyhcvw38AxmYdT64u5yzDTwI=
-github.com/opencord/voltha-protos/v5 v5.4.10/go.mod h1:E/Jn3DNu8VGRBCgIWSSg4sWtTBiNuQGSFvHyNH1XlyM=
+github.com/opencord/voltha-lib-go/v7 v7.5.3 h1:pIw5056O8UocHyZcT77rh9YIoYo+f7E1cC3Yo+y57Ys=
+github.com/opencord/voltha-lib-go/v7 v7.5.3/go.mod h1:rlKcpoY1VJeM6WUA4d0DYeWddKTJ6AQSCiX0CLSv6rA=
 github.com/opencord/voltha-protos/v5 v5.4.11 h1:Q9j8yJO5HDf0D3jE8KmIgUWJjV4GIYgqiDEiPI3Zcmc=
 github.com/opencord/voltha-protos/v5 v5.4.11/go.mod h1:E/Jn3DNu8VGRBCgIWSSg4sWtTBiNuQGSFvHyNH1XlyM=
 github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=