Make a release issue template (#2666)

Author: chadwhitacre

.github/ISSUE_TEMPLATE/release.yml

@@ -0,0 +1,29 @@
+name: 📦 Release Issue
+description: Start a new self-hosted Sentry release
+body:
+  - type: textarea
+    attributes:
+      label: template
+      value: |
+        [YY.M.N](https://github.com/getsentry/self-hosted/issues) | ***YY.M.N*** | [YY.M.N](https://github.com/getsentry/self-hosted/issues)
+
+        - [ ] Release all components (_replace items with [publish repo issue links](https://github.com/getsentry/publish/issues)_).
+          - [ ] [`develop`](https://github.com/getsentry/develop/actions/workflows/prepare-release.yml)
+          - [ ] [`relay`](https://github.com/getsentry/relay/actions/workflows/release_binary.yml)
+          - [ ] [`sentry`](https://github.com/getsentry/sentry/actions/workflows/release.yml)
+          - [ ] [`sentry-docs`](https://github.com/getsentry/sentry-docs/actions/workflows/prepare-release.yml)
+          - [ ] [`snuba`](https://github.com/getsentry/snuba/actions/workflows/release.yml)
+          - [ ] [`symbolicator`](https://github.com/getsentry/symbolicator/actions/workflows/release.yml)
+          - [ ] [`vroom`](https://github.com/getsentry/vroom/actions/workflows/release.yaml)
+        - [ ] Release self-hosted.
+          - [ ] [Prepare the `self-hosted` release](https://github.com/getsentry/self-hosted/actions/workflows/release.yml) (_replace with publish issue repo link_).
+          - [ ] Check to make sure the new release branch in self-hosted includes the appropriate CalVer images.
+          - [ ] Accept (publish) the release.
+          - [ ] Edit [release notes](https://github.com/getsentry/self-hosted/releases) as necessary.
+        - [ ] Follow up.
+          - [ ] [Create the next release issue](https://github.com/getsentry/self-hosted/issues/new) (_replace with link_).
+          - [ ] Update the [quarterly ticket](https://github.com/getsentry/team-ospo/issues).
+          - [ ] Update the [release issue template](https://github.com/getsentry/self-hosted/blob/master/.github/ISSUE_TEMPLATE/release.yml).
+          - [ ] Create a PR to update relocation release tests to add the new version (_replace with link_).
+    validations:
+      required: true