ci: switch to pypi trusted publishing (#488)

Author: gadomski

.github/workflows/release.yml

@@ -9,6 +9,11 @@ jobs:
   release:
     name: Release
     runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    environment:
+      name: release
+      url: https://pypi.org/p/stac-api-validator
     steps:
       - name: Check out the repository
         uses: actions/checkout@v4
@@ -57,17 +62,12 @@ jobs:
       - name: Publish package on PyPI
         if: steps.check-version.outputs.tag
         uses: pypa/[email protected]
-        with:
-          user: ${{ secrets.PYPI_STACUTILS_USERNAME }}
-          password: ${{ secrets.PYPI_STACUTILS_PASSWORD}}
 
       - name: Publish package on TestPyPI
         if: "! steps.check-version.outputs.tag"
         uses: pypa/[email protected]
         with:
-          user: __token__
-          password: ${{ secrets.TEST_PYPI_TOKEN }}
-          repository_url: https://test.pypi.org/legacy/
+          repository-url: https://test.pypi.org/legacy/
 
       - name: Publish the release notes
         uses: release-drafter/[email protected]