Pin dbt-fusion version to 2.0.0-preview.76 to fix CI failures (#917)

* Skip failing tests for dbt-fusion

- test_dbt_invocations: yaml_selector field not populated in fusion
- test_sample_count_unlimited: meta config override not working in fusion
- test_schema_changes: schema change detection not working in fusion

Co-Authored-By: Yosef Arbiv <yosef.arbiv@gmail.com>

* Pin dbt-fusion version to 2.0.0-preview.76 and revert skip markers

Co-Authored-By: Yosef Arbiv <yosef.arbiv@gmail.com>

* Read dbt-fusion version from config file instead of hardcoding in workflow

Co-Authored-By: Yosef Arbiv <yosef.arbiv@gmail.com>

---------

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-authored-by: Yosef Arbiv <yosef.arbiv@gmail.com>

Author: devin-ai-integration[bot]

.dbt-fusion-version

@@ -0,0 +1 @@
+2.0.0-preview.76

.github/workflows/test-warehouse.yml

@@ -133,7 +133,8 @@ jobs:
       - name: Install dbt-fusion
         if: inputs.dbt-version == 'fusion'
         run: |
-          curl -fsSL https://public.cdn.getdbt.com/fs/install/install.sh | sh -s -- --update
+          FUSION_VERSION=$(cat dbt-data-reliability/.dbt-fusion-version)
+          curl -fsSL https://public.cdn.getdbt.com/fs/install/install.sh | sh -s -- --version "$FUSION_VERSION"
 
       - name: Install Elementary
         run: pip install "./elementary[${{ (inputs.warehouse-type == 'databricks_catalog' && 'databricks') || inputs.warehouse-type }}]"