ENV: fix conda-forge name for myst-parser

.gitlab-ci.yml

@@ -42,6 +42,9 @@ containers:
     # Fail if differences exist. If this fails, you may need to run
     # write_dockerfiles.py and commit the changes.
     - git diff --exit-code
+    - cp env-template.yml env.yml
+    - echo "  - python=3.10" >> env.yml
+    - mamba env create -f env.yml -n test --dry-run
 
 .test-python: &test-python
   stage: initial

containers/env-template.yml

@@ -69,7 +69,7 @@ dependencies:
   - nbconvert
   - twine
   - glasflow
-  - myst_parser
+  - myst-parser
   - pip:
     - autodoc
     - ipykernel