Add Needed SuppressWarnings Annotations

Signed-off-by: Josh Cummings <3627351+jzheaux@users.noreply.github.com>

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/web/OAuth2AuthorizationRequestRedirectFilter.java

@@ -269,6 +269,7 @@ public class OAuth2AuthorizationRequestRedirectFilter extends OncePerRequestFilt
 
 	}
 
+	@SuppressWarnings("serial")
 	private static final class OAuth2AuthorizationRequestException extends AuthenticationException {
 
 		OAuth2AuthorizationRequestException(Throwable cause) {

oauth2/oauth2-jose/src/main/java/org/springframework/security/oauth2/jwt/DPoPProofJwtDecoderFactory.java

@@ -185,6 +185,7 @@ public final class DPoPProofJwtDecoderFactory implements JwtDecoderFactory<DPoPP
 			return Base64.getUrlEncoder().withoutPadding().encodeToString(digest);
 		}
 
+		@SuppressWarnings("serial")
 		private static final class JtiCache extends LinkedHashMap<String, Long> {
 
 			private static final int MAX_SIZE = 1000;