build(deps): bump bcpkix-jdk15on from 1.56 to 1.70 (#1528)

Bumps [bcpkix-jdk15on](https://github.com/bcgit/bc-java) from 1.56 to 1.70.
- [Release notes](https://github.com/bcgit/bc-java/releases)
- [Changelog](https://github.com/bcgit/bc-java/blob/master/docs/releasenotes.html)
- [Commits](https://github.com/bcgit/bc-java/commits)

---
updated-dependencies:
- dependency-name: org.bouncycastle:bcpkix-jdk15on
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

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

extensions/iam/decentralized-identity/dummy-credentials-verifier/build.gradle.kts

@@ -7,7 +7,7 @@ dependencies {
     implementation(project(":extensions:iam:decentralized-identity:identity-did-spi"))
 
     // this is required for the JcaPEMKeyConverter, which we use to restore keys from PEM files
-    implementation("org.bouncycastle:bcpkix-jdk15on:1.56")
+    implementation("org.bouncycastle:bcpkix-jdk15on:1.70")
     testImplementation(project(":extensions:iam:decentralized-identity:identity-did-core"))
 
 }

extensions/iam/decentralized-identity/identity-did-crypto/build.gradle.kts

@@ -5,7 +5,7 @@ plugins {
 dependencies {
     api(project(":extensions:iam:decentralized-identity:identity-did-spi"))
 
-    implementation("org.bouncycastle:bcpkix-jdk15on:1.56")
+    implementation("org.bouncycastle:bcpkix-jdk15on:1.70")
 }
 
 publishing {