Bump docker/build-push-action from 2.6.1 to 2.7.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2.6.1 to 2.7.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v2.6.1...v2.7.0)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/docker-build.yml

@@ -40,7 +40,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-docker-cpython-
       - name: Build and push
-        uses: docker/build-push-action@v2.6.1
+        uses: docker/build-push-action@v2.7.0
         with:
           context: .
           file: ./Dockerfile
@@ -81,7 +81,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-docker-pypy-
       - name: Build and push
-        uses: docker/build-push-action@v2.6.1
+        uses: docker/build-push-action@v2.7.0
         with:
           context: .
           file: ./pypy.Dockerfile
@@ -122,7 +122,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-docker-nginx-
       - name: Build and push
-        uses: docker/build-push-action@v2.6.1
+        uses: docker/build-push-action@v2.7.0
         with:
           context: .
           file: ./Dockerfile

README.md

@@ -1,5 +1,3 @@
-## This project is no longer maintained. Visit [this repo](https://github.com/TeamPiped/Piped) for an alternative.
-
 <p align="center"> <img width="700" src="app/static/img/banner.png"> </img></p> 
 <p align="center">
    <a href="https://www.gnu.org/licenses/gpl-3.0"><img alt="License: GPL v3" src="https://img.shields.io/badge/License-AGPLv3-blue.svg"></img></a>