chore(gh): update issue templates

[maxcao13]

Welcome to Cryostat! 👋

Before contributing, make sure you have:

• Read the contributing guidelines
• Linked a relevant issue which this PR resolves
• Linked any other relevant issues, PR's, or documentation, if any
• Resolved all conflicts, if any
• Rebased your branch PR on top of the latest upstream main branch
• Attached at least one of the following labels to the PR: [chore, ci, docs, feat, fix, test]
• Signed all commits using a GPG signature

To recreate commits with GPG signature git fetch upstream && git rebase --force --gpg-sign upstream/main

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Related: https://github.com/cryostatio/cryostat/issues/1269

Description of the change:

Updates the GH issue templates to fit the new beta GH issue forms to sync with -helm.

[github-actions]

Test image available:

$ CRYOSTAT_IMAGE=ghcr.io/cryostatio/cryostat:pr-1609-2982ba6fc7adb8c76e8252f961610ba1cc5035fd-linux-amd64 sh smoketest.sh

[github-actions]

Test image available:

$ CRYOSTAT_IMAGE=ghcr.io/cryostatio/cryostat:pr-1609-2982ba6fc7adb8c76e8252f961610ba1cc5035fd-linux-arm64 sh smoketest.sh

[tthvo]

Looks good! Just a small comment.

[github-actions]

Test image available:

$ CRYOSTAT_IMAGE=ghcr.io/cryostatio/cryostat:pr-1609-ce4297c5a414578728fe1c47de9c895012307a12-linux-arm64 sh smoketest.sh

[github-actions]

Test image available:

$ CRYOSTAT_IMAGE=ghcr.io/cryostatio/cryostat:pr-1609-ce4297c5a414578728fe1c47de9c895012307a12-linux-amd64 sh smoketest.sh