fix(ci): use GitHub context for repo URL instead of secret

Avoids GITHUB_* secret naming restriction by using built-in
github.server_url and github.repository context variables.

Author: luandro

.github/workflows/deploy-api-fly.yml

@@ -21,7 +21,7 @@ jobs:
       NOTION_API_KEY: ${{ secrets.NOTION_API_KEY }}
       DATABASE_ID: ${{ secrets.DATABASE_ID }}
       DATA_SOURCE_ID: ${{ secrets.DATA_SOURCE_ID }}
-      GITHUB_REPO_URL: ${{ secrets.GITHUB_REPO_URL }}
+      GITHUB_REPO_URL: ${{ github.server_url }}/${{ github.repository }}
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       GIT_AUTHOR_NAME: ${{ secrets.GIT_AUTHOR_NAME }}
       GIT_AUTHOR_EMAIL: ${{ secrets.GIT_AUTHOR_EMAIL }}
@@ -50,7 +50,6 @@ jobs:
           require_secret "FLY_API_TOKEN" "${FLY_API_TOKEN}"
           require_secret "FLY_APP_NAME" "${FLY_APP_NAME}"
           require_secret "NOTION_API_KEY" "${NOTION_API_KEY}"
-          require_secret "GITHUB_REPO_URL" "${GITHUB_REPO_URL}"
           require_secret "GITHUB_TOKEN" "${GITHUB_TOKEN}"
           require_secret "GIT_AUTHOR_NAME" "${GIT_AUTHOR_NAME}"
           require_secret "GIT_AUTHOR_EMAIL" "${GIT_AUTHOR_EMAIL}"