[translations] ./manage rename shell functions to integrate weblate

Functions implemented to run *Weblate* workflows should use prefix 'weblate.':

- babel.setup.translations.worktree --> weblate.translations.worktree

  Create git worktree ${TRANSLATIONS_WORKTREE} and checkout branch
  'translations' from Weblate's counterpart (weblate) of the SearXNG
   (origin)::

       remote weblate https://weblate.bubu1.eu/git/searxng/searxng/

- babel.weblate.to.translations     --> weblate.to.translations

  Update 'translations' branch of SearXNG (origin) with last additions from
  Weblate.

- babel.translations.to.master      --> weblate.translations.commit

  Update 'translations' branch of SearXNG (origin) with last additions from
  Weblate.  Copy the changes to the master branch, compile translations and
  create a commit in the local branch (master)

- babel.master.to.translations      --> weblate.push.translations

  Push *translation changes* from SearXNG (origin) to Weblate's
  counterpart (weblate).

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

.github/workflows/integration.yml

@@ -127,7 +127,7 @@ jobs:
       id: update
       run: |
         git restore utils/brand.env
-        make V=1 babel.master.to.translations
+        make V=1 weblate.push.translations
 
   dockers:
     name: Docker

.github/workflows/translations-update.yml

@@ -36,7 +36,7 @@ jobs:
         git config --global user.name "searxng-bot"
     - name: Merge and push transation updates
       run: |
-        make V=1 babel.translations.to.master
+        make V=1 weblate.translations.commit
     - name: Create Pull Request
       id: cpr
       uses: peter-evans/create-pull-request@v3