Fixed name of custom changie key

Author: TheSpyder

.changes/unreleased/Added-20231211-034512.yaml

@@ -2,4 +2,4 @@ kind: Added
 body: Timers.Promises from NodeJS 16
 time: 2023-12-11T03:45:12.916076+11:00
 custom:
-  Github Issue: "21"
+  GithubIssue: "21"

.changes/unreleased/Changed-20231210-063131.yaml

@@ -1,5 +1,5 @@
 kind: Changed
-body: 'BREAKING: Record types are now used where possible. Requires ReScript 10.'
+body: "BREAKING: Record types are now used where possible. Requires ReScript 10."
 time: 2023-12-10T06:31:31.479826+11:00
 custom:
-  Github Issue: "12"
+  GithubIssue: "12"

.changie.yaml

@@ -5,7 +5,7 @@ changelogPath: CHANGELOG.md
 versionExt: md
 versionFormat: '## {{.Version}} - {{.Time.Format "2006-01-02"}}'
 kindFormat: "### {{.Kind}}"
-changeFormat: "* [#{{.Custom.Issue}}](https://github.com/miniscruff/changie/issues/{{.Custom.Issue}}) {{.Body}}"
+changeFormat: "* [#{{.Custom.GithubIssue}}](https://github.com/miniscruff/changie/issues/{{.Custom.GithubIssue}}) {{.Body}}"
 kinds:
   - label: Added
     auto: minor
@@ -23,7 +23,7 @@ newlines:
   endOfVersion: 1
 envPrefix: CHANGIE_
 custom:
-  - key: Github Issue
+  - key: GithubIssue
     type: int
     minInt: 1
 replacements: