Update slint requirement from =1.1.1 to =1.2.0 (#82)

* Update slint requirement from =1.1.1 to =1.2.0

Updates the requirements on [slint](https://github.com/slint-ui/slint) to permit the latest version.
- [Release notes](https://github.com/slint-ui/slint/releases)
- [Changelog](https://github.com/slint-ui/slint/blob/master/CHANGELOG.md)
- [Commits](slint-ui/slint@v1.1.1...v1.1.1)

---
updated-dependencies:
- dependency-name: slint
  dependency-type: direct:production
...

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

* Also update slint-build

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Futsch1 <florian.fetz@googlemail.com>

Author: dependabot[bot]

Cargo.toml

@@ -11,7 +11,7 @@ edition = "2021"
 readme = "README.md"
 
 [dependencies]
-slint = {version = "=1.1.1", features = ["backend-winit-x11", "renderer-winit-femtovg", "compat-1-0"], default_features = false}
+slint = {version = "=1.2.0", features = ["backend-winit-x11", "renderer-winit-femtovg", "compat-1-0"], default_features = false}
 nfd = "0.0.4"
 image = "0.24"
 kamadak-exif = "0.5"
@@ -40,7 +40,7 @@ backtrace = "0.3"
 base64 = "0.21"
 
 [build-dependencies]
-slint-build = "=1.1.1"
+slint-build = "=1.2.0"
 winres = "0.1"
 
 [profile.dev]