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

@@ -13,6 +13,7 @@
       </trusted-artifacts>
       <ignored-keys>
          <ignored-key id="2C7F998F4272C851" reason="Key couldn't be downloaded from any key server"/>
+         <ignored-key id="72385FF0AF338D52" reason="Key couldn't be downloaded from any key server"/>
          <ignored-key id="A0632691B78E3422" reason="Key couldn't be downloaded from any key server"/>
          <ignored-key id="A6EA2E2BF22E0543" reason="Key couldn't be downloaded from any key server"/>
       </ignored-keys>
@@ -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"/>
@@ -28874,6 +28878,14 @@
             <sha256 value="0fe31326e83b7622cbcd9c75d467b291f01ffe3cc6e3e76651ac05a1c1c7a360" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="org.threeten" name="threeten-extra" version="1.8.0">
+         <artifact name="threeten-extra-1.8.0.jar">
+            <sha256 value="51e4d21edc4e9447f7760c050e0baee75d7d973f387ba605a17abdc4d24fd6d8" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+         <artifact name="threeten-extra-1.8.0.pom">
+            <sha256 value="a5d8cdf2592bda1ef405965883db2da431b267c76de300d075821e20f6dc0c7d" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+      </component>
       <component group="org.tukaani" name="xz" version="1.9">
          <artifact name="xz-1.9.jar">
             <sha256 value="211b306cfc44f8f96df3a0a3ddaf75ba8c5289eed77d60d72f889bb855f535e5" origin="Generated by Gradle"/>