Rename .yml extension to .yaml

Related: https://github.com/bitnami/charts/pull/2710

bitnami/kibana/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: kibana
-version: 5.2.1
+version: 5.2.2
 appVersion: 7.7.0
 description: Kibana is an open source, browser based analytics and search dashboard for Elasticsearch.
 keywords:

bitnami/minio/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v1
-version: 3.4.4
+version: 3.4.5
 appVersion: 2020.6.1
 description: MinIO is an object storage server, compatible with Amazon S3 cloud storage service, mainly used for storing unstructured data (such as photos, videos, log files, etc.)
 keywords:

bitnami/mxnet/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: mxnet
-version: 1.4.16
+version: 1.4.17
 appVersion: 1.6.0
 description: A flexible and efficient library for deep learning
 keywords:

bitnami/pytorch/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: pytorch
-version: 1.3.14
+version: 1.3.15
 appVersion: 1.5.0
 description: Deep learning platform that accelerates the transition from research prototyping to production deployment
 keywords: