chore: update release checklist and make commands

Makefile

@@ -13,14 +13,14 @@ create:
 install:
 	pip install -e .[all]
 
-install_test:
-	pip install $(PROJECT)[all]
-
 remove:
 	mamba remove --name $(PROJECT) --all
 
+pip_install:
+	pip install $(PROJECT)[all]
+
 conda_install:
-	mamba create --name $(PROJECT) --yes --force --channel conda-forge $(PROJECT) pytest pytest-cov
+	mamba create --name $(PROJECT) --yes --force --channel conda-forge $(PROJECT) pytest pytest-cov ipykernel
 
 ####
 ####

docs/contributing.md

@@ -328,13 +328,21 @@ Now, when submitting a PR, `RTD` will automatically build the docs and update th
 
 ## Release Checklist
 * re-run any relevant notebooks
-* add any new dependencies to the binder env
 * check docs are building correctly using the GitHub actions link within the PR
 * merge the PR
 * wait for `PyPI` to publish the new version [here](https://pypi.python.org/pypi/invert4geom)
 * wait for a PR to be opened in the [feedstock](https://github.com/conda-forge/invert4geom-feedstock)
 * update any changed dependencies in the feedstock PR and merge
 * wait for `conda` to publish the new version [here](https://anaconda.org/conda-forge/invert4geom)
 * update invert4geom version in `binder/environment.yml`.
-* test `PyPI` version with `make install_test` and `make test`
-* test `conda` version with `make conda_install` and `make test`
+* test `PyPI` version with:
+    - `make remove`
+    - `make create`
+    - `mamba activate invert4geom`
+    - `make pip_install`
+    - `make test`
+* test `conda` version with:
+    - `make remove`
+    - `make conda_install`
+    - `mamba activate invert4geom`
+    - `make test`