switch to use Actions from drone for cron (#24314)

Move drone cron pipelines to (GitHub) Actions. As these are mostly
compatible with Gitea Actions, when we start to dogfood, these will
already be migrated.

.github/workflows/cron-licenses.yml

@@ -0,0 +1,28 @@
+on:
+  cron:
+    # weekly on Monday at 0:07 UTC
+    - cron: "7 0 * * 1"
+
+name: Update licenses and gitignores
+
+jobs:
+  cron:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: '>=1.20.1'
+      - name: update licenses and gitignores
+        run: timeout -s ABRT 40m make generate-license generate-gitignore
+      - name: push translations to repo
+        uses: appleboy/git-push-action@v0.0.2
+        with:
+          author_email: "teabot@gitea.io"
+          author_name: GiteaBot
+          branch: main
+          commit: true
+          commit_message: "[skip ci] Updated licenses and gitignores"
+          remote: "git@github.com:go-gitea/gitea.git"
+          ssh_key: ${{ secrets.DEPLOY_KEY }}

.github/workflows/cron-translations.yml

@@ -0,0 +1,47 @@
+on:
+  cron:
+    - cron: "7 0 * * *" # every day at 0:07 UTC
+
+name: Pull translations from Crowdin
+
+jobs:
+  crowdin_pull:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: download from crowdin
+        uses: docker://jonasfranz/crowdin
+        env:
+          CROWDIN_KEY: ${{ secrets.CROWDIN_KEY }}
+          PLUGIN_DOWNLOAD: true
+          PLUGIN_EXPORT_DIR: options/locale/
+          PLUGIN_IGNORE_BRANCH: true
+          PLUGIN_PROJECT_IDENTIFIER: gitea
+      - name: update locales
+        run: ./build/update-locales.sh
+      - name: push translations to repo
+        uses: appleboy/git-push-action@v0.0.2
+        with:
+          author_email: "teabot@gitea.io"
+          author_name: GiteaBot
+          branch: main
+          commit: true
+          commit_message: "[skip ci] Updated translations via Crowdin"
+          remote: "git@github.com:go-gitea/gitea.git"
+          ssh_key: ${{ secrets.DEPLOY_KEY }}
+  crowdin_push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: push translations to crowdin
+        uses: docker://jonasfranz/crowdin
+        env:
+          CROWDIN_KEY: ${{ secrets.CROWDIN_KEY }}
+          PLUGIN_UPLOAD: true
+          PLUGIN_IGNORE_BRANCH: true
+          PLUGIN_PROJECT_IDENTIFIER: gitea
+          PLUGIN_FILES: |
+            locale_en-US.ini: options/locale/locale_en-US.ini
+          PLUGIN_BRANCH: main