Removed static keyword

Author: mcop1

src/Contract/Lib/VersionResolverContract.php

@@ -22,17 +22,17 @@ public function getMajorVersion(): int
         return Version::getMajorVersion();
     }
 
-    public static function getVersion(): string
+    public function getVersion(): string
     {
         return Version::getVersion();
     }
 
-    public static function getRevision(): string
+    public function getRevision(): string
     {
         return Version::getRevision();
     }
 
-    public static function getPlatformVersion(): ?string
+    public function getPlatformVersion(): ?string
     {
        return Version::getPlatformVersion();
     }

src/Contract/Lib/VersionResolverContractInterface.php

@@ -16,7 +16,7 @@
 interface VersionResolverContractInterface
 {
     public function getMajorVersion(): int;
-    public static function getVersion(): string;
-    public static function getRevision(): string;
-    public static function getPlatformVersion(): ?string;
+    public function getVersion(): string;
+    public function getRevision(): string;
+    public function getPlatformVersion(): ?string;
 }