Adding build targets for the simple-genai-server example.

[roberthbailey]

What type of PR is this?

Uncomment only one /kind <> line, press enter to put that in a new line, and remove leading whitespace from that line:

/kind breaking
/kind bug

/kind cleanup

/kind documentation
/kind feature
/kind hotfix
/kind release

What this PR does / Why we need it: Adds some missing build targets.

Which issue(s) this PR fixes:

Closes #

Special notes for your reviewer:

[agones-bot]

Build Failed 😱

Build Id: 6633f48b-3347-4007-be2f-1ef501c5840a

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[roberthbailey]

Flake on the 1.26 cluster:

VERBOSE:     gameserverallocation_test.go:1397: could not completed gsa1 allocation : an error on the server ("error updating allocated gameserver: Operation cannot be fulfilled on gameservers.agones.dev \"preferred-gpjwz-cjzbh-87p6n\": the object has been modified; please apply your changes to the latest version and try again") has prevented the request from succeeding (post gameserverallocations.allocation.agones.dev)
VERBOSE: I0309 00:27:11.516074     421 request.go:696] Waited for 1.110355794s due to client-side throttling, not priority and fairness, request: POST:https://35.221.181.120/apis/allocation.agones.dev/v1/namespaces/1709943961/gameserverallocations
VERBOSE: time="2024-03-09 00:27:12.114" level=info msg="Scaling fleet" fleet=preferred-gpjwz patch="[{ \"op\": \"replace\", \"path\": \"/spec/replicas\", \"value\": 120 }]" scale=120
VERBOSE: I0309 00:27:21.715535     421 request.go:696] Waited for 1.780056591s due to client-side throttling, not priority and fairness, request: POST:https://35.221.181.120/apis/allocation.agones.dev/v1/namespaces/1709943961/gameserverallocations
VERBOSE: time="2024-03-09 00:27:27.460" level=info msg="Finished Allocation."
VERBOSE:     gameserverallocation_test.go:1417: 
VERBOSE:         	Error Trace:	/go/src/agones.dev/agones/test/e2e/gameserverallocation_test.go:1417
VERBOSE:         	Error:      	Not equal: 
VERBOSE:         	            	expected: 100
VERBOSE:         	            	actual  : 99
VERBOSE:         	Test:       	TestGameServerAllocationDuringMultipleAllocationClients
VERBOSE: --- FAIL: TestGameServerAllocationDuringMultipleAllocationClients (85.45s)
VERBOSE: FAIL
VERBOSE: time="2024-03-09 00:27:28.610" level=info msg="Namespace 1709943961 is deleted"
VERBOSE: FAIL	agones.dev/agones/test/e2e	88.142s

[agones-bot]

Build Succeeded 👏

Build Id: da0289ef-a417-41f0-8d84-376506161900

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

• image: us-docker.pkg.dev/agones-images/ci/agones-controller:1.39.0-dev-33d1fc3-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.39.0-dev-33d1fc3-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.39.0-dev-33d1fc3-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.39.0-dev-33d1fc3-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.39.0-dev-33d1fc3-amd64
• Linux C++ SDK (build): agonessdk-1.39.0-dev-33d1fc3-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.39.0-dev-33d1fc3-amd64.zip

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

• https://33d1fc3-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3689/head:pr_3689 && git checkout pr_3689
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.39.0-dev-33d1fc3-amd64

[agones-bot]

Build Succeeded 👏

Build Id: 5f6bd9f7-1410-4b37-8d6d-5cce9e30619c

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

• image: us-docker.pkg.dev/agones-images/ci/agones-controller:1.39.0-dev-24d88b7-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.39.0-dev-24d88b7-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.39.0-dev-24d88b7-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.39.0-dev-24d88b7-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.39.0-dev-24d88b7-amd64
• Linux C++ SDK (build): agonessdk-1.39.0-dev-24d88b7-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.39.0-dev-24d88b7-amd64.zip

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

• https://24d88b7-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3689/head:pr_3689 && git checkout pr_3689
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.39.0-dev-24d88b7-amd64

[igooch]

LGTM