Update dependency com.google.code.gson:gson to v2.12.0 (#324)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -5,7 +5,7 @@ twelvemonkeys = "3.12.0"
 
 [libraries]
 batik = "org.apache.xmlgraphics:batik-transcoder:1.18"
-gson = "com.google.code.gson:gson:2.11.0"
+gson = "com.google.code.gson:gson:2.12.0"
 hamcrest = "org.hamcrest:hamcrest-core:3.0"
 imageio-batik = { module = "com.twelvemonkeys.imageio:imageio-batik", version.ref = "twelvemonkeys" }
 imageio-psd = { module = "com.twelvemonkeys.imageio:imageio-psd", version.ref = "twelvemonkeys" }