Merge pull request #4484 from GitTools/dependabot/nuget/build/gitreleasemanager.tool-0.20.0

(deps): Bump gitreleasemanager.tool from 0.19.0 to 0.20.0 in /build

Author: mergify[bot]

.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "gitreleasemanager.tool": {
-      "version": "0.19.0",
+      "version": "0.20.0",
       "commands": [
         "dotnet-gitreleasemanager"
       ]