Bump extension version post release (#2045)

package-lock.json

@@ -1,12 +1,12 @@
 {
     "name": "vscode-cosmosdb",
-    "version": "0.19.2",
+    "version": "0.19.3-alpha.0",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "vscode-cosmosdb",
-            "version": "0.19.2",
+            "version": "0.19.3-alpha.0",
             "license": "SEE LICENSE IN LICENSE.md",
             "dependencies": {
                 "@azure/arm-cosmosdb": "^15.0.0",

package.json

@@ -1,6 +1,6 @@
 {
     "name": "vscode-cosmosdb",
-    "version": "0.19.2",
+    "version": "0.19.3-alpha.0",
     "aiKey": "AIF-d9b70cd4-b9f9-4d70-929b-a071c400b217",
     "publisher": "ms-azuretools",
     "displayName": "Azure Databases",