fix(deps): update dependency org.mnode.ical4j:ical4j to v4

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -34,7 +34,7 @@ flexboxVersion = "3.0.0"
 fragmentKtxVersion = "1.8.9"
 glide = "4.16.0"
 gsonVersion = "2.13.1"
-ical4jVersion = "3.2.19"
+ical4jVersion = "4.1.1"
 jackrabbitWebdavVersion = "2.13.5"
 jsonVersion = "20250517"
 junit = "4.13.2"

gradle/verification-metadata.xml

@@ -378,6 +378,7 @@
             <trusting group="com.mebigfatguy.fb-contrib" name="fb-contrib" version="7.6.4"/>
          </trusted-key>
          <trusted-key id="B17136D06153558101DB7DF723778689FBFBE047" group="pl.droidsonroids.gif" name="android-gif-drawable" version="1.2.29"/>
+         <trusted-key id="B41089A2DA79B0FA5810252872385FF0AF338D52" group="org.threeten" name="threeten-extra" version="1.8.0"/>
          <trusted-key id="B69A63A5EF7183DBC09199AC26E74B6874AEE127" group="com.github.bumptech.glide" name="glide" version="3.8.0"/>
          <trusted-key id="B6E73D84EA4FCC47166087253FAAD2CD5ECBB314">
             <trusting group="commons-beanutils"/>
@@ -420,7 +421,10 @@
             <trusting group="commons-validator" name="commons-validator" version="1.7"/>
             <trusting group="org.apache.commons" name="commons-parent"/>
          </trusted-key>
-         <trusted-key id="D71534DDED75B2DA189E14DF385EF0846E5CF3F3" group="org.mnode.ical4j" name="ical4j" version="3.2.19"/>
+         <trusted-key id="D71534DDED75B2DA189E14DF385EF0846E5CF3F3">
+            <trusting group="org.mnode.ical4j" name="ical4j" version="3.2.19"/>
+            <trusting group="org.mnode.ical4j" name="ical4j" version="4.1.1"/>
+         </trusted-key>
          <trusted-key id="D75E25B78EBB19E47C0A99BCA7764F502A938C99" group="com.google.protobuf"/>
          <trusted-key id="D878D4A823EAE731B729D1A8D2151178A123C97F">
             <trusting group="com.github.spotbugs.snom" name="spotbugs-gradle-plugin" version="6.1.12"/>