Use latest version of linter in scripts

Signed-off-by: Dave Riddle <[email protected]>

Author: joyvuu-dave

scripts/build_funcs.sh

@@ -35,7 +35,7 @@ PPC64LE_IMAGE=gcr.io/distroless/static:nonroot-ppc64le
 S390X_IMAGE=gcr.io/distroless/static:nonroot-s390x
 WIN_AMD64_BASEIMAGE=mcr.microsoft.com/windows/nanoserver
 TEST_IMAGE=testimage:v0.1
-LINT_IMAGE=golangci/golangci-lint:v1.45
+LINT_IMAGE=golangci/golangci-lint:v1.50
 KIND_CLUSTER=kind
 
 SCRIPT_DIR="$( cd -- "$( dirname -- "${BASH_SOURCE[0]:-$0}"; )" &> /dev/null && pwd 2> /dev/null; )"