Bug 1831023 - Update AndroidX Appcompat to version 1.6.1 (#1884)

* Bug 1831023 - Update AndroidX Appcompat to version 1.6.1

* Bug 1831023 - Add manifest entry for push notification permission

* Bug 1831023 - Add suppression for MissingPermission linter failure

* Bug 1831023 - Add super.onBackPressed() to TrackingProtectionPanelDialogFragment.kt

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Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

app/src/main/java/org/mozilla/fenix/trackingprotection/TrackingProtectionPanelDialogFragment.kt

@@ -169,6 +169,8 @@ class TrackingProtectionPanelDialogFragment : AppCompatDialogFragment(), UserInt
             object : BottomSheetDialog(requireContext(), this.theme) {
                 @Deprecated("Deprecated in Java")
                 override fun onBackPressed() {
+                    @Suppress("DEPRECATION")
+                    super.onBackPressed()
                     this@TrackingProtectionPanelDialogFragment.onBackPressed()
                 }
             }.apply {

buildSrc/src/main/java/FenixDependencies.kt

@@ -22,7 +22,7 @@ object FenixVersions {
     const val androidx_activity = "1.6.1"
     const val androidx_compose = "1.4.2"
     const val androidx_compose_compiler = "1.4.6"
-    const val androidx_appcompat = "1.3.0"
+    const val androidx_appcompat = "1.6.1"
     const val androidx_benchmark = "1.1.1"
     const val androidx_biometric = "1.1.0"
     const val androidx_coordinator_layout = "1.1.0"