Release v2.2.15 (#617)

Signed-off-by: Mark S. Lewis <[email protected]>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "fabric-sdk-node",
-  "version": "2.2.15-snapshot",
-  "tag": "unstable-2.2",
+  "version": "2.2.15",
+  "tag": "latest",
   "main": "index.js",
   "private": true,
   "repository": {

release_notes/v2.2.15.txt

@@ -0,0 +1,13 @@
+Release Notes
+-------------
+This v2.2.15 version is the latest of the v2.2 long-term support (LTS) release
+of the fabric-node-sdk packages that support Fabric 2.x, and supersedes previous
+v2.x releases. Please see the Fabric LTS release strategy document for more
+information on LTS releases:
+
+https://github.com/hyperledger/fabric-rfcs/blob/main/text/0005-lts-release-strategy.md
+
+This is a maintenance release containing the following changes:
+
+- Update dependencies to address a gRPC bug that could cause pings to be sent
+  on destroyed HTTP sessions, resulting in an ERR_HTTP2_INVALID_SESSION error.