Update Agones release guide url

[Kalaiselvi84]

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:
Received a 404 error for the current link to the Agones Release Guide in the Release checklist. Updated it with the correct URL
Which issue(s) this PR fixes:

Closes #

Special notes for your reviewer:

[agones-bot]

Build Succeeded 👏

Build Id: fc1cc670-04dc-43fa-a91f-4c8a4477155c

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:1.35.0-dev-5a7ff07-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.35.0-dev-5a7ff07-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.35.0-dev-5a7ff07-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.35.0-dev-5a7ff07-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.35.0-dev-5a7ff07-amd64
• Linux C++ SDK (build): agonessdk-1.35.0-dev-5a7ff07-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.35.0-dev-5a7ff07-amd64.zip

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

• https://5a7ff07-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3329/head:pr_3329 && git checkout pr_3329
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.35.0-dev-5a7ff07-amd64

[aimuz]

/lgtm

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aimuz, Kalaiselvi84, markmandel

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• OWNERS [markmandel]

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[google-oss-prow]

New changes are detected. LGTM label has been removed.

[agones-bot]

Build Failed 😱

Build Id: f1324c11-139b-4f68-b5bb-c1c836409986

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[markmandel]

This seems like a pretty consistent flake in e2e tests.

BOSE: time="2023-08-17 18:52:02.596" level=info msg="RoleBinding 1692298321/agones-sdk-access is created"
VERBOSE: === RUN   TestGameServerResourceValidation
VERBOSE: === PAUSE TestGameServerResourceValidation
VERBOSE: === CONT  TestGameServerResourceValidation
VERBOSE:     gameserver_test.go:953: 
VERBOSE:         	Error Trace:	/go/src/agones.dev/agones/test/e2e/gameserver_test.go:953
VERBOSE:         	Error:      	Not equal: 
VERBOSE:         	            	expected: "spec.template.spec.containers[0].resources.requests[cpu]"
VERBOSE:         	            	actual  : "spec.template.spec.containers[0].resources.requests"
VERBOSE:         	            	
VERBOSE:         	            	Diff:
VERBOSE:         	            	--- Expected
VERBOSE:         	            	+++ Actual
VERBOSE:         	            	@@ -1 +1 @@
VERBOSE:         	            	-spec.template.spec.containers[0].resources.requests[cpu]
VERBOSE:         	            	+spec.template.spec.containers[0].resources.requests
VERBOSE:         	Test:       	TestGameServerResourceValidation
VERBOSE: --- FAIL: TestGameServerResourceValidation (0.59s)

[agones-bot]

Build Succeeded 👏

Build Id: f7a0e86e-5bc7-4904-a129-1e8c001522d6

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:1.35.0-dev-d55e30c-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.35.0-dev-d55e30c-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.35.0-dev-d55e30c-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.35.0-dev-d55e30c-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.35.0-dev-d55e30c-amd64
• Linux C++ SDK (build): agonessdk-1.35.0-dev-d55e30c-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.35.0-dev-d55e30c-amd64.zip

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

• https://d55e30c-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3329/head:pr_3329 && git checkout pr_3329
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.35.0-dev-d55e30c-amd64