feat(weather): add humidity display from Open-Meteo API

Adds relative_humidity_2m to the daily forecast API request and
displays it in both the single-day weather view and the forecast
hover cards.

Closes #6428

packages/request-handler/src/weather.ts

@@ -9,7 +9,7 @@ export const weatherRequestHandler = createWidgetRequestHandler({
   async requestAsync(input: { latitude: number; longitude: number }) {
     const res = await withTimeoutAsync(async (signal) => {
       return await fetchWithTrustedCertificatesAsync(
-        `https://api.open-meteo.com/v1/forecast?latitude=${input.latitude}&longitude=${input.longitude}&daily=weathercode,temperature_2m_max,temperature_2m_min,sunrise,sunset,wind_speed_10m_max,wind_gusts_10m_max,relative_humidity_2m&current_weather=true&timezone=auto`,
+        `https://api.open-meteo.com/v1/forecast?latitude=${input.latitude}&longitude=${input.longitude}&daily=weathercode,temperature_2m_max,temperature_2m_min,sunrise,sunset,wind_speed_10m_max,wind_gusts_10m_max,relative_humidity_2m_mean&current_weather=true&timezone=auto`,
         { signal },
       );
     });
@@ -27,7 +27,7 @@ export const weatherRequestHandler = createWidgetRequestHandler({
           sunset: weather.daily.sunset[index],
           maxWindSpeed: weather.daily.wind_speed_10m_max[index],
           maxWindGusts: weather.daily.wind_gusts_10m_max[index],
-          humidity: weather.daily.relative_humidity_2m[index],
+          humidity: weather.daily.relative_humidity_2m_mean[index],
         };
       }),
     } satisfies Weather;
@@ -49,7 +49,7 @@ const atLocationOutput = z.object({
     sunset: z.array(z.string()),
     wind_speed_10m_max: z.array(z.number()),
     wind_gusts_10m_max: z.array(z.number()),
-    relative_humidity_2m: z.array(z.number()),
+    relative_humidity_2m_mean: z.array(z.number()),
   }),
 });