rekor: use rekor client with retries (#301)

Signed-off-by: Asra Ali <asraa@google.com>

Signed-off-by: Asra Ali <asraa@google.com>

go.mod

@@ -6,10 +6,10 @@ require (
 	github.com/docker/go v1.5.1-1
 	github.com/go-openapi/runtime v0.24.2
 	github.com/google/go-cmp v0.5.9
-	github.com/google/trillian v1.4.2
+	github.com/google/trillian v1.5.0 // indirect
 	github.com/in-toto/in-toto-golang v0.3.4-0.20220709202702-fa494aaa0add
 	github.com/secure-systems-lab/go-securesystemslib v0.4.0
-	github.com/sigstore/rekor v0.11.0
+	github.com/sigstore/rekor v1.0.0-rc.1
 	github.com/sigstore/sigstore v1.4.4
 )
 
@@ -18,7 +18,7 @@ require (
 	github.com/go-openapi/swag v0.22.3
 	github.com/google/go-containerregistry v0.11.0
 	github.com/gorilla/mux v1.8.0
-	github.com/sigstore/cosign v1.12.0
+	github.com/sigstore/cosign v1.13.0
 	github.com/slsa-framework/slsa-github-generator v1.2.0
 	github.com/spf13/cobra v1.5.0
 	github.com/transparency-dev/merkle v0.0.1
@@ -95,7 +95,7 @@ require (
 	github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1 // indirect
 	github.com/envoyproxy/protoc-gen-validate v0.6.2 // indirect
 	github.com/fsnotify/fsnotify v1.5.4 // indirect
-	github.com/fullstorydev/grpcurl v1.8.6 // indirect
+	github.com/fullstorydev/grpcurl v1.8.7 // indirect
 	github.com/ghodss/yaml v1.0.0 // indirect
 	github.com/go-chi/chi v4.1.2+incompatible // indirect
 	github.com/go-logr/logr v1.2.3 // indirect
@@ -109,7 +109,7 @@ require (
 	github.com/go-openapi/validate v0.22.0 // indirect
 	github.com/go-playground/locales v0.14.0 // indirect
 	github.com/go-playground/universal-translator v0.18.0 // indirect
-	github.com/go-playground/validator/v10 v10.11.0 // indirect
+	github.com/go-playground/validator/v10 v10.11.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
 	github.com/golang-jwt/jwt/v4 v4.4.2 // indirect
@@ -128,7 +128,7 @@ require (
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.2 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.3 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.1 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
@@ -171,7 +171,7 @@ require (
 	github.com/sassoftware/relic v0.0.0-20210427151427-dfb082b79b74 // indirect
 	github.com/segmentio/ksuid v1.0.4 // indirect
 	github.com/shibumi/go-pathspec v1.3.0 // indirect
-	github.com/sigstore/fulcio v0.5.3 // indirect
+	github.com/sigstore/fulcio v0.6.0 // indirect
 	github.com/sirupsen/logrus v1.9.0 // indirect
 	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966 // indirect
 	github.com/soheilhy/cmux v0.1.5 // indirect
@@ -216,19 +216,20 @@ require (
 	go.opentelemetry.io/proto/otlp v0.16.0 // indirect
 	go.uber.org/atomic v1.10.0 // indirect
 	go.uber.org/multierr v1.8.0 // indirect
-	go.uber.org/zap v1.22.0 // indirect
+	go.uber.org/zap v1.23.0 // indirect
 	golang.org/x/crypto v0.0.0-20220926161630-eccd6366d1be // indirect
+	golang.org/x/exp v0.0.0-20220823124025-807a23277127 // indirect
 	golang.org/x/net v0.0.0-20220927171203-f486391704dc // indirect
 	golang.org/x/oauth2 v0.0.0-20220909003341-f21342109be1 // indirect
 	golang.org/x/sync v0.0.0-20220929204114-8fcdb60fdcc0 // indirect
 	golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec // indirect
 	golang.org/x/term v0.0.0-20220919170432-7a66f970e087 // indirect
 	golang.org/x/text v0.3.8-0.20211004125949-5bd84dd9b33b // indirect
 	golang.org/x/time v0.0.0-20220922220347-f3bd1da661af // indirect
-	golang.org/x/tools v0.1.11 // indirect
+	golang.org/x/tools v0.1.12 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20220929141241-1ce7b20da813 // indirect
-	google.golang.org/grpc v1.49.0 // indirect
+	google.golang.org/grpc v1.50.0 // indirect
 	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/cheggaaa/pb.v1 v1.0.28 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect