Update org.bouncycastle to v1.85

Author: renovate[bot]

sigstore-java/build.gradle.kts

@@ -35,8 +35,8 @@ dependencies {
     compileOnly("org.apache.tomcat:annotations-api:6.0.53") // java 9+ only
 
     implementation("com.google.code.gson:gson:2.14.0")
-    implementation("org.bouncycastle:bcutil-jdk18on:1.84")
-    implementation("org.bouncycastle:bcpkix-jdk18on:1.84")
+    implementation("org.bouncycastle:bcutil-jdk18on:1.85")
+    implementation("org.bouncycastle:bcpkix-jdk18on:1.85")
 
     implementation(platform("com.google.oauth-client:google-oauth-client-bom:1.39.0"))
     implementation("com.google.oauth-client:google-oauth-client")

sigstore-maven-plugin/build.gradle.kts

@@ -14,7 +14,7 @@ dependencies {
     compileOnly("org.apache.maven.plugin-tools:maven-plugin-annotations:3.15.2")
 
     implementation(project(":sigstore-java"))
-    implementation("org.bouncycastle:bcutil-jdk18on:1.84")
+    implementation("org.bouncycastle:bcutil-jdk18on:1.85")
     implementation("org.apache.maven.plugins:maven-gpg-plugin:3.2.8")
 
     testImplementation("org.apache.maven.shared:maven-verifier:1.8.0")