update README with 1.12.0 ChangeLog notes, bump library version

Author: cconlon

README.md

@@ -214,6 +214,22 @@ Or by defining `-DHAVE_SECURE_RENEGOTIATION`.
 
 ## Release Notes
 
+### wolfSSL JNI Release 1.12.0 (03/31/2023)
+
+Release 1.12.0 has bug fixes and new features including:
+
+**JNI and JSSE Changes:**
+* Additional synchronization support in WolfSSLCertificate (PR 118)
+* Prevent WolfSSLCertificate from freeing `WOLFSSL_X509` if not owned (PR 118)
+* Fix `X509KeyManager.getCertificateChain()` to return `null` when alias is `null` (PR 119)
+
+**Documentation Changes:**
+* Add Android Studio instructions for how to update source symlinks on Windows (PR 117)
+
+The wolfSSL JNI Manual is available at:
+https://www.wolfssl.com/documentation/manuals/wolfssljni. For build
+instructions and more detailed comments, please check the manual.
+
 ### wolfSSL JNI Release 1.11.0 (12/2/2022)
 
 Release 1.11.0 has bug fixes and new features including:

build.xml

@@ -14,7 +14,7 @@
     <!-- versioning/manifest properties -->
     <property name="implementation.vendor"  value="wolfSSL Inc." />
     <property name="implementation.title"   value="wolfSSL JNI/JSSE" />
-    <property name="implementation.version" value="1.11" />
+    <property name="implementation.version" value="1.12" />
 
     <!-- set properties for this build -->
     <property name="src.dir" value="src/java/"/>

src/java/com/wolfssl/provider/jsse/WolfSSLProvider.java

@@ -73,8 +73,8 @@ public void errorCallback(int ok, int err, String hash) {
      * wolfSSL JSSE Provider class
      */
     public WolfSSLProvider() {
-        super("wolfJSSE", 1.11, "wolfSSL JSSE Provider");
-        //super("wolfJSSE", "1.11", "wolfSSL JSSE Provider");
+        super("wolfJSSE", 1.12, "wolfSSL JSSE Provider");
+        //super("wolfJSSE", "1.12", "wolfSSL JSSE Provider");
 
         /* load native wolfSSLJNI library */
         WolfSSL.loadLibrary();