Bump MartinCostello.WaitForNuGetPackage from 1.1.3 to 1.2.0 (#2807)

---
updated-dependencies:
- dependency-name: MartinCostello.WaitForNuGetPackage
  dependency-version: 1.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.config/dotnet-tools.json

@@ -45,7 +45,7 @@
       "rollForward": false
     },
     "MartinCostello.WaitForNuGetPackage": {
-      "version": "1.1.3",
+      "version": "1.2.0",
       "commands": [
         "dotnet-wait-for-package"
       ],