Try to fix GH auth and CI

Author: m-mohr

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
         python python/create_readme.py
         cat README.md
       env:
-        github_token: ${{ secrets.GITHUB_TOKEN }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     - name: Commit changes
       run: |
         git config user.name "STAC CI"

python/create_readme.py

@@ -13,8 +13,10 @@
 
 headers = {}
 env = dict(os.environ)
-if "github-token" in env:
-  headers["Authorization"] = " ".join(["token", os.environ["github-token"]])
+if "GITHUB_TOKEN" in env:
+  headers["Authorization"] = " ".join(["Bearer", os.environ["GITHUB_TOKEN"]])
+else:
+  logger.warn("No GITHUB_TOKEN found in env")
 
 def from_gh(response, external = False) -> dict:
   data = {