Handle gotestfmt repository move (#498)

Fixes #497.

Author: David Robertson

.github/workflows/ci.yaml

@@ -66,7 +66,7 @@ jobs:
         # See https://github.com/actions/virtual-environments/blob/main/images/linux/Ubuntu2004-Readme.md specifically GOROOT_1_17_X64
         run: |
           sudo apt-get update && sudo apt-get install -y libolm3 libolm-dev
-          go get -v github.com/haveyoudebuggedit/gotestfmt/v2/cmd/gotestfmt@latest
+          go get -v github.com/gotesttools/gotestfmt/v2/cmd/gotestfmt@latest
 
       - name: "Checkout corresponding ${{ matrix.homeserver }} branch"
         shell: bash