Ran npm audit fix to update package dependencies.

[roberthbailey]

@steven-supersolid - While running lint and test on my other PR npm notified me that I had dependencies with security vulnerabilities. This PR updates dependencies to address them.

[agones-bot]

Build Succeeded 👏

Build Id: 4cf80c0c-bc1b-48f8-91ca-c96a1888b7c7

The following development artifacts have been built, and will exist for the next 30 days:

• image: gcr.io/agones-images/agones-controller:1.1.0-e4a7674
• image: gcr.io/agones-images/agones-sdk:1.1.0-e4a7674
• image: gcr.io/agones-images/agones-ping:1.1.0-e4a7674
• Linux C++ SDK (build): agonessdk-1.1.0-e4a7674-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.1.0-e4a7674.zip

A preview of the website (the last 30 builds are retained):

• https://e4a7674-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/GoogleCloudPlatform/agones.git pull/1097/head:pr_1097 && git checkout pr_1097
• helm install install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.1.0-e4a7674

[agones-bot]

Build Succeeded 👏

Build Id: 91e6b19e-d41b-4ec5-87cf-f1acc3da035f

The following development artifacts have been built, and will exist for the next 30 days:

• image: gcr.io/agones-images/agones-controller:1.1.0-e7e1a50
• image: gcr.io/agones-images/agones-sdk:1.1.0-e7e1a50
• image: gcr.io/agones-images/agones-ping:1.1.0-e7e1a50
• Linux C++ SDK (build): agonessdk-1.1.0-e7e1a50-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.1.0-e7e1a50.zip

A preview of the website (the last 30 builds are retained):

• https://e7e1a50-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/GoogleCloudPlatform/agones.git pull/1097/head:pr_1097 && git checkout pr_1097
• helm install install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.1.0-e7e1a50

[steven-supersolid]

LGTM however I wonder what's using handlebars - perhaps nyc for html display of coverage?
I'm currently on vacation so reviewing on a phone

[agones-bot]

Build Succeeded 👏

Build Id: 30203f3d-dc26-47ac-b843-056bfe360485

The following development artifacts have been built, and will exist for the next 30 days:

• image: gcr.io/agones-images/agones-controller:1.1.0-1c71a13
• image: gcr.io/agones-images/agones-sdk:1.1.0-1c71a13
• image: gcr.io/agones-images/agones-ping:1.1.0-1c71a13
• Linux C++ SDK (build): agonessdk-1.1.0-1c71a13-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.1.0-1c71a13.zip

A preview of the website (the last 30 builds are retained):

• https://1c71a13-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/GoogleCloudPlatform/agones.git pull/1097/head:pr_1097 && git checkout pr_1097
• helm install install/helm/agones --namespace agones-system --name agones --set agones.image.tag=1.1.0-1c71a13

[google-oss-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[roberthbailey]

I have no idea what's using it. Feel free to investigate & cull once you are back at work. In the mean time, I'll apply the update to close the security hole.