feat!: bump Gradle 7.6 & AGP 7.4.2 (#1539)

* feat: bump gradle 7.6
* feat: bump android gradle plugin 7.3.1
* feat: bump android gradle plugin 7.4.2
* fix!: move android package name to build.gradle namespace
* fix!: remove deprecated package name from AndroidManifest
* fix: package name
* fix: rename CordovaGradleConfigParser's _save to write
* test: fix CordovaGradleConfigParser related specs
* fix: test refactoring for gradle namespace
* fix: accidental variable naming mixing

---------

Co-authored-by: Norman Breau <norman@nbsolutions.ca>

spec/unit/prepare.spec.js

@@ -23,6 +23,8 @@ const CordovaError = require('cordova-common').CordovaError;
 const GradlePropertiesParser = require('../../lib/config/GradlePropertiesParser');
 const utils = require('../../lib/utils');
 const et = require('elementtree');
+const MockCordovaGradleConfigParser = require('./mocks/config/MockCordovaGradleConfigParser');
+const CordovaGradleConfigParserFactory = require('../../lib/config/CordovaGradleConfigParserFactory');
 
 const PATH_RESOURCE = path.join('platforms', 'android', 'app', 'src', 'main', 'res');
 
@@ -93,6 +95,12 @@ describe('prepare', () => {
     let emitSpy;
     let updatePathsSpy;
 
+    const PROJECT_DIR = 'platforms/android';
+
+    beforeAll(() => {
+        spyOn(CordovaGradleConfigParserFactory, 'create').and.returnValue(new MockCordovaGradleConfigParser(PROJECT_DIR));
+    });
+
     beforeEach(() => {
         prepare = rewire('../../lib/prepare');
 
@@ -912,9 +920,7 @@ describe('prepare', () => {
                 }),
                 setVersionName: jasmine.createSpy('setVersionName').and.returnValue({
                     setVersionCode: jasmine.createSpy('setVersionCode').and.returnValue({
-                        setPackageId: jasmine.createSpy('setPackageId').and.returnValue({
-                            write: jasmine.createSpy('write')
-                        })
+                        write: jasmine.createSpy('write')
                     })
                 })
             }));