CI: do not treat usernames/logins as secrets

This causes logging issues where certain words like 'termux'
are censored. This breaks directory paths & urls.

.github/workflows/docker_image.yml

@@ -22,7 +22,7 @@ jobs:
         docker build --tag termux/package-builder:latest .
     - name: Push to hub.docker.com
       env:
-        DOCKER_LOGIN: ${{ secrets.DOCKER_HUB_LOGIN }}
+        DOCKER_LOGIN: xeffyr
         DOCKER_PASS: ${{ secrets.DOCKER_HUB_PASSWORD }}
       run: |
         docker login --username "${DOCKER_LOGIN}" --password "${DOCKER_PASS}"

.github/workflows/packages.yml

@@ -77,9 +77,9 @@ jobs:
         path: ./debs
     - name: Upload to bintray.com
       env:
-        BINTRAY_USERNAME: ${{ secrets.BINTRAY_USERNAME }}
+        BINTRAY_USERNAME: xeffyr
         BINTRAY_API_KEY: ${{ secrets.BINTRAY_API_KEY }}
-        BINTRAY_GPG_SUBJECT: ${{ secrets.BINTRAY_GPG_SUBJECT }}
+        BINTRAY_GPG_SUBJECT: termux
         BINTRAY_GPG_PASSPHRASE: ${{ secrets.BINTRAY_GPG_PASSWORD }}
       run: |
         TO_DELETE=$(test -f ./debs/deleted_packages.txt && cat ./debs/deleted_packages.txt)

.github/workflows/repology_metadata.yml

@@ -24,7 +24,7 @@ jobs:
         ./scripts/repology/generate-repology-metadata.sh ./packages/* /tmp/repos/*/packages/* > ./generated/packages.json
     - name: Upload metadata to bintray.com
       env:
-        BINTRAY_USERNAME: ${{ secrets.BINTRAY_USERNAME }}
+        BINTRAY_USERNAME: xeffyr
         BINTRAY_API_KEY: ${{ secrets.BINTRAY_API_KEY }}
       run: |
         response=$(curl --silent --user "${BINTRAY_USERNAME}:${BINTRAY_API_KEY}" --request DELETE --write-out "|%{http_code}" \