chore: bump version to 7.0.0-dev (#438)

diff --git a/package.json b/package.json
index 3531978..d0abcb0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cordova-plugin-file",
-  "version": "6.0.3-dev",
+  "version": "7.0.0-dev",
   "description": "Cordova File Plugin",
   "types": "./types/index.d.ts",
   "cordova": {
@@ -36,7 +36,7 @@
       "5.0.0": {
         "cordova-android": ">=6.3.0"
       },
-      "7.0.0": {
+      "8.0.0": {
         "cordova": ">100"
       }
     }
diff --git a/plugin.xml b/plugin.xml
index 1ba5899..37754f0 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -21,7 +21,7 @@
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
 xmlns:android="http://schemas.android.com/apk/res/android"
            id="cordova-plugin-file"
-      version="6.0.3-dev">
+      version="7.0.0-dev">
     <name>File</name>
     <description>Cordova File Plugin</description>
     <license>Apache 2.0</license>
diff --git a/tests/plugin.xml b/tests/plugin.xml
index 9ca33b7..f19bf2e 100644
--- a/tests/plugin.xml
+++ b/tests/plugin.xml
@@ -21,7 +21,7 @@
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
     xmlns:android="http://schemas.android.com/apk/res/android"
     id="cordova-plugin-file-tests"
-    version="6.0.3-dev">
+    version="7.0.0-dev">
 
     <name>Cordova File Plugin Tests</name>
     <license>Apache 2.0</license>