Bump coil from 3.0.4 to 3.1.0 (#387)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Martin Felber <45291671+FelberMartin@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -15,7 +15,7 @@ androidxLifecycle = "2.8.7"
 androidxNavigation = "2.8.6"
 androidxPaging = "3.3.5"
 androidxPagingCompose = "3.3.5"
-coil = "3.0.4"
+coil = "3.1.0"
 coil2 = "2.7.0"     # The markwon library still depends on coil2: https://github.com/ls1intum/artemis-android/issues/171
 emoji2 = "1.5.0"
 kotlin = "2.1.10"