updating to the latest version of operator sdk (#334)

Issue #, if available:
- Relates: aws-controllers-k8s/community#1286

Description of changes:
Updating to a newer version of OperatorSDK, so that this projects stays closer to the value that is used in the `Community` operators repos and we make sure that `bundle validate` will pass for all controllers.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Signed-off-by: Adam D. Cornett <adc@redhat.com>

Author: acornett21

scripts/install-operator-sdk.sh

@@ -16,7 +16,7 @@ SCRIPTS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 ROOT_DIR="$SCRIPTS_DIR/.."
 DEFAULT_OPERATOR_SDK_BIN_PATH="$ROOT_DIR/../code-generator/bin"
 OPERATOR_SDK_BIN_PATH=${OPERATOR_SDK_BIN_PATH:-$DEFAULT_OPERATOR_SDK_BIN_PATH}
-DEFAULT_OPERATOR_SDK_VERSION="1.17.0"
+DEFAULT_OPERATOR_SDK_VERSION="1.19.1"
 
 source "${SCRIPTS_DIR}/lib/common.sh"