Fix branch references for CI

Author: whitfin

.github/workflows/ci.yml

@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:

pom.xml

@@ -55,7 +55,7 @@
         <dependency>
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>
-            <version>6.14.2</version>
+            <version>7.9.0</version>
             <scope>test</scope>
         </dependency>
     </dependencies>