update release workflow to use local refs and built-in workflows for …

…installing python and hatch

.github/workflows/release.yml

@@ -40,7 +40,7 @@ defaults:
 jobs:
   release-prep:
     name: "Release prep: generate changelog, bump version"
-    uses: dbt-labs/dbt-postgres/.github/workflows/release_prep_hatch.yml@main
+    uses: ./.github/workflows/release_prep_hatch.yml
     with:
       branch: ${{ inputs.branch }}
       version: ${{ inputs.version }}
@@ -59,20 +59,15 @@ jobs:
         with:
           ref: ${{ needs.release-prep.outputs.release-branch }}
           persist-credentials: false
-
-      - name: "Setup `hatch`"
-        uses: dbt-labs/dbt-adapters/.github/actions/setup-hatch@main
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ inputs.python_version }}
-
-      - name: "Set archive name"
-        id: archive
+      - uses: pypa/hatch@install
+      - id: archive
         run: |
           archive_name=${{ github.event.repository.name }}-${{ inputs.version }}-${{ inputs.deploy-to }}
           echo "name=$archive_name" >> $GITHUB_OUTPUT
-
-      - name: "Build ${{ github.event.repository.name }}"
-        uses: dbt-labs/dbt-adapters/.github/actions/build-hatch@main
+      - uses: dbt-labs/dbt-adapters/.github/actions/build-hatch@main
         with:
           archive-name: ${{ steps.archive.outputs.name }}