Set version to 3.3.0-rc7

Also upgrade Lombok to 1.18.16 for Java 11
compatibility.

Change-Id: I3653b4e845c7c51ce4161b1b2df5023b691e2e1e

github-oauth/pom.xml

diff --git a/github-oauth/pom.xml b/github-oauth/pom.xml
index 77137f4..92f7e2a 100644
--- a/github-oauth/pom.xml
+++ b/github-oauth/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.googlesource.gerrit.plugins.github</groupId>
     <artifactId>github-parent</artifactId>
-    <version>3.3.0-SNAPSHOT</version>
+    <version>3.3.0-rc7</version>
   </parent>
   <artifactId>github-oauth</artifactId>
   <name>Gerrit Code Review - GitHub OAuth login</name>

github-plugin/pom.xml

diff --git a/github-plugin/pom.xml b/github-plugin/pom.xml
index 8369b13..26649df 100644
--- a/github-plugin/pom.xml
+++ b/github-plugin/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>github-parent</artifactId>
     <groupId>com.googlesource.gerrit.plugins.github</groupId>
-    <version>3.3.0-SNAPSHOT</version>
+    <version>3.3.0-rc7</version>
   </parent>
 
   <artifactId>github-plugin</artifactId>

pom.xml

diff --git a/pom.xml b/pom.xml
index 7c50af1..4be38a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.googlesource.gerrit.plugins.github</groupId>
   <artifactId>github-parent</artifactId>
-  <version>3.3.0-SNAPSHOT</version>
+  <version>3.3.0-rc7</version>
   <name>Gerrit Code Review - GitHub integration</name>
   <url>http://www.gerritforge.com</url>
   <packaging>pom</packaging>
@@ -292,7 +292,7 @@
     <dependency>
         <groupId>org.projectlombok</groupId>
         <artifactId>lombok</artifactId>
-        <version>1.16.2</version>
+        <version>1.18.16</version>
         <scope>provided</scope>
     </dependency>
   </dependencies>