Adding release notes

Author: krmahadevan

CHANGES.txt

@@ -1,4 +1,7 @@
 Current
+
+7.7.0
+Fixed: GITHUB-2852: [SECURITY] Fix Zip Slip Vulnerability (Jonathan Leitschuh)
 Fixed: GITHUB-2792: JUnitTestClass sets XmlTest as null when running JUnit 4 Tests using TestNG (Krishnan Mahadevan)
 Fixed: GITHUB-2847: Deprecate support for running JUnit tests (Krishnan Mahadevan)
 Fixed: GITHUB-2844: Deprecate support for running Spock Tests (Krishnan Mahadevan)

README.md

@@ -6,6 +6,7 @@
 Documentation available at [TestNG's main web site](https://testng.org).
 
 ### Release Notes
+* [7.7.0](https://groups.google.com/g/testng-users/c/V6jie-9uUIA)
 * [7.6.0](https://groups.google.com/g/testng-users/c/BAFB1vk-kok)
 * [7.5](https://groups.google.com/g/testng-users/c/ESLiK8xSomc)
 * [7.4.0](https://groups.google.com/g/testng-users/c/dwSJ04qeu8k)
@@ -15,6 +16,7 @@ Documentation available at [TestNG's main web site](https://testng.org).
 
 ### Need help?
 Before opening a new issue, did you ask your question on
+
 * [Google group](https://groups.google.com/group/testng-users)
 * [StackOverflow](https://stackoverflow.com/questions/tagged/testng)
 

gradle.properties

@@ -5,7 +5,7 @@ kotlin.code.style=official
 # Note: testng.kotlin-library.gradle.kts adds kotlin-stdlib for testImplementation
 kotlin.stdlib.default.dependency=false
 
-testng.version=7.7.0
+testng.version=7.8.0
 
 group=org.testng