Push workflow updates to translation-files branch (#309)

Author: ByteHamster

.github/workflows/clear-translation-target-files.txt

@@ -5,3 +5,4 @@
 !documentation-pages/*
 !general-pages/*
 !general-strings/*
+!.github/*

.github/workflows/en-updates-to-translation-repo.yml

@@ -24,6 +24,8 @@ jobs:
           md2po --version
       - name: Create folder for files to be copied
         run: mkdir _i18n/translation-files
+      - name: Keep workflows up-to-date
+        run: cp -r .github _i18n/translation-files
       - name: Create/update YAML file with short texts
         # translated files are not copied because translation is done in Weblate - any manual translation edits will be lost
         run: cp _i18n/en.yml _i18n/translation-files