chore(deps): bump solar-positioning from 0.6.1 to 0.7.0 in /backend (#1064)

* chore(deps): bump solar-positioning from 0.6.1 to 0.7.0 in /backend

Bumps [solar-positioning](https://github.com/klausbrunner/solarpositioning-rs) from 0.6.1 to 0.7.0.
- [Changelog](https://github.com/klausbrunner/solarpositioning-rs/blob/main/CHANGELOG.md)
- [Commits](klausbrunner/solarpositioning-rs@v0.6.1...v0.7.0)

---
updated-dependencies:
- dependency-name: solar-positioning
  dependency-version: 0.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* fix(backend): port sun position to solar-positioning 0.7 SolarPositions API

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Eetu Sutinen <eetu.sutinen@gmail.com>

Author: dependabot[bot]

backend/Cargo.lock

@@ -25,7 +25,7 @@ chrono = { version = "0.4", features = ["serde"] }
 chrono-tz = "0.10"
 quick-xml = "0.42"
 sun = "0.3"
-solar-positioning = "0.6"
+solar-positioning = "0.7"
 hmac = "0.13.0"
 sha1 = "0.11.0"
 md5 = "0.8.0"

backend/Cargo.toml

@@ -5,7 +5,7 @@
 //! zenith is degrees from vertical.
 
 use chrono::{DateTime, Datelike, Utc};
-use solar_positioning::{spa, RefractionCorrection};
+use solar_positioning::{Location, RefractionCorrection, SolarPositions};
 
 /// Observer elevation, atmosphere and ΔT used for the sun position. Refraction
 /// depends on the first three, but only near the horizon, so standard sea-level
@@ -38,15 +38,18 @@ pub fn sun_state(time: DateTime<Utc>, latitude: f64, longitude: f64) -> SunState
     let refraction = RefractionCorrection::new(PRESSURE_MBAR, TEMPERATURE_C)
         .expect("standard pressure and temperature are in range");
 
-    let position = spa::solar_position(
-        time,
-        latitude,
-        longitude,
-        OBSERVER_ELEVATION_M,
-        DELTA_T_SECONDS,
-        Some(refraction),
-    )
-    .expect("site coordinates are validated at settings load");
+    let position = SolarPositions::new()
+        .at(
+            &time,
+            Location {
+                latitude,
+                longitude,
+            },
+            OBSERVER_ELEVATION_M,
+            DELTA_T_SECONDS,
+            Some(refraction),
+        )
+        .expect("site coordinates are validated at settings load");
 
     let apparent_zenith = position.zenith_angle();