build(deps): bump golang.org/x/tools from 0.15.0 to 0.16.0

Bumps [golang.org/x/tools](https://github.com/golang/tools) from 0.15.0 to 0.16.0.
- [Release notes](https://github.com/golang/tools/releases)
- [Commits](https://github.com/golang/tools/compare/v0.15.0...v0.16.0)

---
updated-dependencies:
- dependency-name: golang.org/x/tools
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/flake.nix b/flake.nix
index 429c0fb..bee232b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,4 +1,4 @@
-# nix-direnv cache busting line: sha256-vr0l6m+2iP9H0n3JuubVpBs9PCeIO7/uZ3Xr4HX2ZbI=
+# nix-direnv cache busting line: sha256-+ipFtpXgveEw84pL62NtcwT/r83USRAFagPX+2+Qx08=
 
 {
   description = "/x/perimental code";