Bump chainguard.dev/go-grpc-kit from 0.17.1 to 0.17.2 (#1416)

* Bump chainguard.dev/go-grpc-kit from 0.17.1 to 0.17.2

Bumps [chainguard.dev/go-grpc-kit](https://github.com/chainguard-dev/go-grpc-kit) from 0.17.1 to 0.17.2.
- [Release notes](https://github.com/chainguard-dev/go-grpc-kit/releases)
- [Commits](chainguard-dev/go-grpc-kit@v0.17.1...v0.17.2)

---
updated-dependencies:
- dependency-name: chainguard.dev/go-grpc-kit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* bump go.mod to 1.21.3

Signed-off-by: Bob Callaway <bcallaway@google.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Bob Callaway <bcallaway@google.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Bob Callaway <bcallaway@google.com>

go.mod

@@ -1,9 +1,11 @@
 module github.com/sigstore/fulcio
 
-go 1.20
+go 1.21
+
+toolchain go1.21.3
 
 require (
-	chainguard.dev/go-grpc-kit v0.17.1
+	chainguard.dev/go-grpc-kit v0.17.2
 	cloud.google.com/go/security v1.15.2
 	github.com/PaesslerAG/jsonpath v0.1.1
 	github.com/ThalesIgnite/crypto11 v1.2.5
@@ -131,14 +133,13 @@ require (
 	github.com/theupdateframework/go-tuf v0.5.2 // indirect
 	github.com/titanous/rocacheck v0.0.0-20171023193734-afe73141d399 // indirect
 	go.opencensus.io v0.24.0 // indirect
-	go.opentelemetry.io/otel v1.16.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.16.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.16.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.16.0 // indirect
-	go.opentelemetry.io/otel/metric v1.16.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.16.0 // indirect
-	go.opentelemetry.io/otel/trace v1.16.0 // indirect
-	go.opentelemetry.io/proto/otlp v0.20.0 // indirect
+	go.opentelemetry.io/otel v1.19.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.19.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.19.0 // indirect
+	go.opentelemetry.io/otel/metric v1.19.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.19.0 // indirect
+	go.opentelemetry.io/otel/trace v1.19.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.0.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	goa.design/goa v2.2.5+incompatible // indirect
 	golang.org/x/crypto v0.14.0 // indirect