Bump go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc from 0.45.0 to 0.46.0 #9013

Job	Run time
Prepare	17s
Smoke test on armv7/arm64 (arm)	6m 6s
Unit tests :: windows-amd64	8m 21s
Unit tests :: linux-amd64	3m 56s
Smoke test on armv7/arm64 (arm64)	3m 46s
Build :: k0s :: linux-amd64 / linux-amd64	2m 48s
Build :: k0s :: windows-amd64 / windows-amd64	2m 30s
Build :: SBOM	0s
Autopilot tests :: ${{ matrix.version }}	0s
Build :: Airgap image bundle	0s
Smoke tests :: ${{ matrix.smoke-suite }}	0s
	27m 44s

Provide feedback