fix: use CI_NETRC credentials for git push

.woodpecker.yml

@@ -20,12 +20,10 @@ steps:
 
   - name: update-manifests
     image: alpine/git
-    environment:
-      GITEA_TOKEN:
-        from_secret: gitea_token
     commands:
       - 'sed -i "s#image: git.mikhailkilin.ru/killingdruid/bcard:.*#image: git.mikhailkilin.ru/killingdruid/bcard:${CI_COMMIT_SHA}#" k8s/bcard.yaml'
       - git config user.email "woodpecker@ci"
       - git config user.name "Woodpecker CI"
       - git add k8s/bcard.yaml
-      - 'git diff --cached --quiet && echo "No changes to deploy" || (git commit -m "[CI SKIP] deploy: ${CI_COMMIT_SHA}" && git remote set-url origin https://${GITEA_TOKEN}@git.mikhailkilin.ru/killingdruid/bcard.git && git push origin HEAD:main)'
+      - 'printf "machine git.mikhailkilin.ru\nlogin %s\npassword %s\n" "$CI_NETRC_USERNAME" "$CI_NETRC_PASSWORD" > ~/.netrc && chmod 600 ~/.netrc'
+      - 'git diff --cached --quiet && echo "No changes to deploy" || (git commit -m "[CI SKIP] deploy: ${CI_COMMIT_SHA}" && git push origin HEAD:main)'