### Description

The [Get API key information API](https://www.elastic.co/guide/en/elasticsearch/reference/master/security-api-get-api-key.html) can currently filter the returned keys by:
 * key id/name
 * keys owned by the calling user
 * keys owned by other users, by `realm_name` and `username`

Irrespective of the filtering used, both invalidated and expired (but not yet deleted) keys will be included in the response.
In the response, keys have the `invalidated` boolean property, as well as the `expiration` property that contains the UNIX timestamp past of which the key is no longer valid for authentication.

I propose we introduce a way for the API to support retrieving:
* only valid API keys (not return invalidated keys) - using a boolean request parameter
* keys not expired before a certain timestamp - using a timestamp parameter that defaults to "now" - also note that keys' experiation date is always checked against the local node's clock
x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/authc/ApiKeyService.java
final List<QueryApiKeyResponse.Item> apiKeyItem = Arrays.stream(searchResponse.getHits().getHits())
                            .map(hit -> convertSearchHitToQueryItem(hit, withLimitedBy))
                            .toList();
                        listener.onResponse(new QueryApiKeyResponse(total, apiKeyItem));
                    }, listener::onFailure)
                )
            );
        }
    }
    private QueryApiKeyResponse.Item convertSearchHitToQueryItem(SearchHit hit, boolean withLimitedBy) {
        return new QueryApiKeyResponse.Item(convertSearchHitToApiKeyInfo(hit, withLimitedBy), hit.getSortValues());
    }
    private ApiKey convertSearchHitToApiKeyInfo(SearchHit hit) {
        return convertSearchHitToApiKeyInfo(hit, false);
    }
    private ApiKey convertSearchHitToApiKeyInfo(SearchHit hit, boolean withLimitedBy) {
        final ApiKeyDoc apiKeyDoc = convertSearchHitToVersionedApiKeyDoc(hit).doc;
        final String apiKeyId = hit.getId();
        final Map<String, Object> metadata = apiKeyDoc.metadataFlattened != null
            ? XContentHelper.convertToMap(apiKeyDoc.metadataFlattened, false, XContentType.JSON).v2()
            : Map.of();
        final List<RoleDescriptor> roleDescriptors = parseRoleDescriptorsBytes(
            apiKeyId,
            apiKeyDoc.roleDescriptorsBytes,
            RoleReference.ApiKeyRoleType.ASSIGNED
        );
        final List<RoleDescriptor> limitedByRoleDescriptors = (withLimitedBy && apiKeyDoc.type != ApiKey.Type.CROSS_CLUSTER)
            ? parseRoleDescriptorsBytes(apiKeyId, apiKeyDoc.limitedByRoleDescriptorsBytes, RoleReference.ApiKeyRoleType.LIMITED_BY)
            : null;
        return new ApiKey(