Fix up tests by signing all planetary computer urls (#39)

Also pin testing env under zarr 3 and pystac 1.12:
* pystac 1.12 migrates to projection extension v2 which is not
  supported by stackstac (gjoseph92/stackstac#262)
* zarr 3 has as-yet unresolved issues with fsspec

.github/workflows/tests.yml

@@ -24,7 +24,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         environment-file: ["environment.yaml"]
     defaults:
       run:
@@ -46,4 +46,4 @@ jobs:
 
       - name: run tests
         id: status
-        run: pytest -v --cov xpystac --cov-report term-missing --vcr-record=none .
+        run: pytest -v --cov xpystac --cov-report term-missing .

README.md

@@ -65,7 +65,7 @@ ref: https://planetarycomputer.microsoft.com/docs/quickstarts/reading-zarr-data/
 ## Install
 
 ```bash
-pip install git+https://github.com/stac-utils/xpystac
+pip install xpystac
 ```
 
 ## How it works

environment.yaml

@@ -5,7 +5,7 @@ channels:
 dependencies:
   - python
   # required
-  - pystac
+  - pystac<1.12
   - xarray
   # optional
   - adlfs
@@ -17,9 +17,8 @@ dependencies:
   - requests
   - rioxarray
   - stackstac
-  - urllib3<2 # temporary pin https://github.com/stac-utils/pystac-client/issues/509
-  - zarr
+  - urllib3
+  - zarr<3
   # testing
   - pytest
   - pytest-cov
-  - pytest-vcr