Add Changelog for 1.8.7 (#1276)

* 1.8.7 changelog

* Add change 1282 and rearrange

* fix pr num

Author: judemars

CHANGELOG/CHANGELOG-1.8.md

@@ -1,6 +1,23 @@
+# v1.8.7 - Changelog since v1.8.6
+
+### Bug or Regression
+
+- Fix provisioned-iops-on-create passing logic([#1284](https://github.com/kubernetes-sigs/gcp-compute-persistent-disk-csi-driver/pull/1284))
+- Bugfix for empty disk type being registered in metric for Create volume function. ([#1269](https://github.com/kubernetes-sigs/gcp-compute-persistent-disk-csi-driver/pull/1269), [@k8s-infra-cherrypick-robot](https://github.com/k8s-infra-cherrypick-robot))
+
+### Cleanup
+
+- #1079: Add provisionedIops for pd-extreme
+  #1101: Add provisionedThroughput for hyperdisk
+  #1240: Change iops params directly convert string to int64 ([#1241](https://github.com/kubernetes-sigs/gcp-compute-persistent-disk-csi-driver/pull/1241), [@sunnylovestiramisu](https://github.com/sunnylovestiramisu))
+- #1150: fix bug where volume cloning topology requirements are
+  #1232: Use errors.As so we can detect wrapped errors, and check for
+  #1227: Adding new metric pdcsi_operation_errors to fetch error ([#1244](https://github.com/kubernetes-sigs/gcp-compute-persistent-disk-csi-driver/pull/1244), [@sunnylovestiramisu](https://github.com/sunnylovestiramisu))
+- Update go version to 1.19.10 ([#1271](https://github.com/kubernetes-sigs/gcp-compute-persistent-disk-csi-driver/pull/1271), [@saikat-royc](https://github.com/saikat-royc))
+
 # v1.8.6 - Changelog since v1.8.5
 
-## Changes by Kind 
+## Changes by Kind
 
 ### Cleanup