Helm release panic when bump helm chart versions

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Issue details

Using the following versions:

• Pulumi 3.27.0
• Pulumi.Kubernetes 3.17.0

I hit the following panic when using the dotnet sdks:

Diagnostics:
  pulumi:pulumi:Stack (k8s-alpha):
    panic: runtime error: invalid memory address or nil pointer dereference
    [signal 0xc0000005 code=0x0 addr=0x20 pc=0x1a23dcd]
    goroutine 782 [running]:
    github.com/pulumi/pulumi-kubernetes/provider/v3/pkg/provider.setReleaseAttributes(0xc0001b90e0, 0x0, 0x0)
        /home/runner/work/pulumi-kubernetes/pulumi-kubernetes/provider/pkg/provider/helm_release.go:1149 +0x14d
    github.com/pulumi/pulumi-kubernetes/provider/v3/pkg/provider.(*helmReleaseProvider).helmUpdate(0xc002754c40, 0xc0001b90e0, 0xc0001b91d0)
        /home/runner/work/pulumi-kubernetes/pulumi-kubernetes/provider/pkg/provider/helm_release.go:588 +0x4fb
    github.com/pulumi/pulumi-kubernetes/provider/v3/pkg/provider.(*helmReleaseProvider).Update(0xc002754c40, {0x0, 0x10000000101}, 0xc002bde080)
        /home/runner/work/pulumi-kubernetes/pulumi-kubernetes/provider/pkg/provider/helm_release.go:979 +0x44a
    github.com/pulumi/pulumi-kubernetes/provider/v3/pkg/provider.(*kubeProvider).Update(0xc00057bc80, {0x233b5e8, 0xc00255f230}, 0xc002bde080)
        /home/runner/work/pulumi-kubernetes/pulumi-kubernetes/provider/pkg/provider/provider.go:2124 +0x147d
    github.com/pulumi/pulumi/sdk/v3/proto/go._ResourceProvider_Update_Handler.func1({0x233b5e8, 0xc00255f230}, {0x1e96860, 0xc002bde080})
        /home/runner/go/pkg/mod/github.com/pulumi/pulumi/sdk/v3@v3.26.1/proto/go/provider.pb.go:2665 +0x7b
    github.com/grpc-ecosystem/grpc-opentracing/go/otgrpc.OpenTracingServerInterceptor.func1({0x233b5e8, 0xc00255e030}, {0x1e96860, 0xc002bde080}, 0xc0012ac260, 0xc0005a4060)
        /home/runner/go/pkg/mod/github.com/grpc-ecosystem/grpc-opentracing@v0.0.0-20180507213350-8e809c8a8645/go/otgrpc/server.go:57 +0x425
    github.com/pulumi/pulumi/sdk/v3/proto/go._ResourceProvider_Update_Handler({0x1f18a40, 0xc00057bc80}, {0x233b5e8, 0xc00255e030}, 0xc011aa4000, 0xc000702820)
        /home/runner/go/pkg/mod/github.com/pulumi/pulumi/sdk/v3@v3.26.1/proto/go/provider.pb.go:2667 +0x138
    google.golang.org/grpc.(*Server).processUnaryRPC(0xc0003661c0, {0x237c5c8, 0xc000604340}, 0xc001d26120, 0xc0002ab950, 0x3762d30, 0x0)
        /home/runner/go/pkg/mod/google.golang.org/grpc@v1.45.0/server.go:1282 +0xccf
    google.golang.org/grpc.(*Server).handleStream(0xc0003661c0, {0x237c5c8, 0xc000604340}, 0xc001d26120, 0x0)
        /home/runner/go/pkg/mod/google.golang.org/grpc@v1.45.0/server.go:1619 +0xa2a
    google.golang.org/grpc.(*Server).serveStreams.func1.2()
        /home/runner/go/pkg/mod/google.golang.org/grpc@v1.45.0/server.go:921 +0x98
    created by google.golang.org/grpc.(*Server).serveStreams.func1
        /home/runner/go/pkg/mod/google.golang.org/grpc@v1.45.0/server.go:919 +0x294

  kubernetes:helm.sh/v3:Release (cluster-autoscaler):
    error: transport is closing

  kubernetes:helm.sh/v3:Release (appmesh-controller):
    error: transport is closing

I don't have an easy repro given the stack complexity but the stack trace indicates setReleaseAttributes is the problem area.