Bump bouncycastle to 1.73

version.gradle

@@ -8,12 +8,8 @@ allprojects {
         isSnapshot = true
         pgpainlessMinAndroidSdk = 10
         javaSourceCompatibility = 1.8
-        bouncyCastleVersion = '1.72'
-        // When using bouncyCastleVersion 1.72:
-        // unfortunately we rely on 1.72.1 or 1.72.3 for a patch for https://github.com/bcgit/bc-java/issues/1257
-        //  which is a bug we introduced with a PR against BC :/ oops
-        // When bouncyCastleVersion is 1.71, bouncyPgVersion can simply be set to 1.71 as well.
-        bouncyPgVersion = '1.72.3'
+        bouncyCastleVersion = '1.73'
+        bouncyPgVersion = bouncyCastleVersion
         junitVersion = '5.8.2'
         logbackVersion = '1.2.11'
         mockitoVersion = '4.5.1'