fix(about): link the release notes instead of the full changelog

Settings, About sent every user to CHANGELOG.md on GitHub, a 1.4 MB
file with every release since the first. The link now opens the
releases page, which carries the same notes per version and loads.
The `changelog` field of /api/version keeps its name and stays a URL.

src/app/api/version/__tests__/route.test.ts

@@ -44,7 +44,10 @@ describe("GET /api/version", () => {
     );
     expect(body.data.license).toBe("PolyForm-Noncommercial-1.0.0");
     expect(body.data.repository).toContain("github.com");
-    expect(body.data.changelog).toContain("CHANGELOG");
+    // The release notes, not the multi-megabyte CHANGELOG.md.
+    expect(body.data.changelog).toBe(
+      "https://github.com/MBombeck/HealthLog/releases",
+    );
     expect(body.data.docs).toContain("docs.healthlog.dev");
   });
 

src/app/api/version/route.ts

@@ -63,7 +63,7 @@ export const GET = apiHandler(async () => {
     builtAt,
     license: "PolyForm-Noncommercial-1.0.0",
     repository: "https://github.com/MBombeck/HealthLog",
-    changelog: "https://github.com/MBombeck/HealthLog/blob/main/CHANGELOG.md",
+    changelog: "https://github.com/MBombeck/HealthLog/releases",
     docs: "https://docs.healthlog.dev",
     offlineGeoEnabled,
     geoProviderHost,