bump up version and update README.md

Author: sgr-ksmt

FireSnapshot.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "FireSnapshot"
-  s.version          = "0.7.4"
+  s.version          = "0.8.0"
   s.summary          = "Firebase Cloud Firestore Model Framework using Codable."
   s.homepage         = "https://github.com/sgr-ksmt/#{s.name}"
   s.license          = 'MIT'

README.md

@@ -375,14 +375,14 @@ Snapshot.get(.products, queryBuilder: { builder in
 - CocoaPods
 
 ```ruby
-pod 'FireSnapshot', '~> 0.7.4'
+pod 'FireSnapshot', '~> 0.8.0'
 ```
 
 <hr />
 
 ## Dependencies
 
-- Firebase: `v6.9.0` or higher.
+- Firebase: `v6.11.0` or higher.
 - FirebaseFirestoreSwift: Fetch from master branch.
 - Swift: `5.1` or higher.