Removed type casts from Parsed get claim methods as they are unnecess…

…ary.

src/Parsed.php

@@ -89,23 +89,23 @@ public function getHeader(): array
      */
     public function getAlgorithm(): string
     {
-        return (string) $this->getHeaderClaim('alg');
+        return $this->getHeaderClaim('alg');
     }
 
     /**
      * Access the type claim from the header.
      */
     public function getType(): string
     {
-        return (string) $this->getHeaderClaim('typ');
+        return $this->getHeaderClaim('typ');
     }
 
     /**
      * Access the content type claim from the header.
      */
     public function getContentType(): string
     {
-        return (string) $this->getHeaderClaim('cty');
+        return $this->getHeaderClaim('cty');
     }
 
     /**
@@ -123,15 +123,15 @@ public function getPayload(): array
      */
     public function getIssuer(): string
     {
-        return (string) $this->getPayloadClaim('iss');
+        return $this->getPayloadClaim('iss');
     }
 
     /**
      * Access the subject claim from the payload.
      */
     public function getSubject(): string
     {
-        return (string) $this->getPayloadClaim('sub');
+        return $this->getPayloadClaim('sub');
     }
 
     /**
@@ -149,7 +149,7 @@ public function getAudience(): string|array
      */
     public function getExpiration(): int
     {
-        return (int) $this->getPayloadClaim('exp');
+        return $this->getPayloadClaim('exp');
     }
 
     /**
@@ -166,7 +166,7 @@ public function getExpiresIn(): int
      */
     public function getNotBefore(): int
     {
-        return (int) $this->getPayloadClaim('nbf');
+        return $this->getPayloadClaim('nbf');
     }
 
     /**
@@ -184,15 +184,15 @@ public function getUsableIn(): int
      */
     public function getIssuedAt(): int
     {
-        return (int) $this->getPayloadClaim('iat');
+        return $this->getPayloadClaim('iat');
     }
 
     /**
      * Access the JWT Id claim from the payload.
      */
     public function getJwtId(): string
     {
-        return (string) $this->getPayloadClaim('jti');
+        return $this->getPayloadClaim('jti');
     }
 
     /**