chore(ci): Use draft schema, shield pheno004 from older validators

Author: effigies

.github/workflows/validate_datasets.yml

@@ -96,11 +96,16 @@ jobs:
       shell: bash
 
     - name: Skip legacy validation for post-legacy datasets
-      run: for DS in mrs_* dwi_deriv; do touch $DS/.SKIP_VALIDATION; done
+      run: for DS in mrs_* dwi_deriv pheno004; do touch $DS/.SKIP_VALIDATION; done
       if: matrix.bids-validator == 'legacy'
       shell: bash
 
-    - name: Skip stable validation for datasets with unreleased features
+    - name: Skip stable validation for datasets with unreleased validator features
+      run: for DS in pheno004; do touch $DS/.SKIP_VALIDATION; done
+      if: matrix.bids-validator == 'stable'
+      shell: bash
+
+    - name: Skip main validation for datasets with unreleased spec features
       run: for DS in dwi_deriv; do touch $DS/.SKIP_VALIDATION; done
       if: matrix.bids-validator != 'dev'
       shell: bash
@@ -111,7 +116,7 @@ jobs:
       # Update this URL to the schema.json from PRs to the spec, when needed.
       # If this variable is unset, dev will generally track the latest development
       # release of https://jsr.io/@bids/schema
-      run: echo BIDS_SCHEMA=https://bids-specification.readthedocs.io/en/latest/schema.json >> $GITHUB_ENV
+      run: echo BIDS_SCHEMA=https://bids-specification--2044.org.readthedocs.build/en/2044/schema.json >> $GITHUB_ENV
 
     - name: Validate all BIDS datasets using bids-validator
       run: |