chore(nblinks): update link to environment.yml in nb

Author: TomMonks

notebooks/01_linting_notebooks.ipynb

@@ -17,7 +17,7 @@
     "\n",
     "To use flake8 with a Jupyter notebook requires another package `nbqa` ([Quality Assurance for Jupyter Notebooks](https://nbqa.readthedocs.io/en/latest/)). This can be installed using `conda`, `mamba` or `pip`.\n",
     "\n",
-    "> There is a [virtual environment](binder/environment.yml) provided you can use to install the software needed.\n",
+    "> There is a [virtual environment](../binder/environment.yml) provided you can use to install the software needed.\n",
     "\n",
     "For example to run the linter with this particular notebook I would run the following in the terminal:\n",
     "\n",