build: fix issue where installing godepgraph failed with invalid go version

don't really use depgraph at the moment so we can simply bail
on this install for the time being and give that team time to
sort that out.

Author: davidalpert

.tools/doctor.sh

@@ -173,7 +173,8 @@ grepVersion 'ruby' 'ruby --version' "$REQUIRED_RUBY_VERSION"
 findCmd gem
 findCmd bundle 'gem install bundler'
 
-findCmd godepgraph "go install github.com/kisielk/godepgraph@latest"
+# see: https://github.com/siderolabs/conform/issues/251
+#findCmd godepgraph "go install github.com/kisielk/godepgraph@latest"
 
 findCmd sbot "go install github.com/restechnica/semverbot/cmd/sbot@latest"
 if [ ! -f .semverbot.toml ]; then