chore(deps): bump docker/build-push-action from 6 to 7 (#2080)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6 to 7.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v6...v7)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Bruno Verachten <gounthar@gmail.com>

Author: dependabot[bot]

.github/workflows/github-docker-registry-push.yml

@@ -180,7 +180,7 @@ jobs:
       - name: Build and push a simple jenkins controller
         # This step builds and pushes a simple Jenkins controller
         if: (contains(env.files, 'dockerfiles/Dockerfile') || contains(env.files, 'dockerfiles/')) && env.IS_FORK != 'true'
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./dockerfiles
           platforms: linux/amd64, linux/arm64
@@ -190,7 +190,7 @@ jobs:
       - name: Build and push the jenkins agent for maven tutorial
         # This step builds and pushes the Jenkins agent for the Maven tutorial
         if: contains(env.files, 'dockerfiles/maven/') && env.IS_FORK != 'true'
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./dockerfiles/maven
           platforms: linux/amd64, linux/arm64
@@ -200,7 +200,7 @@ jobs:
       - name: Build and push the jenkins agent for python tutorial
         # This step builds and pushes the Jenkins agent for the Python tutorial
         if: contains(env.files, 'dockerfiles/python/') && env.IS_FORK != 'true'
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./dockerfiles/python
           platforms: linux/amd64, linux/arm64
@@ -210,7 +210,7 @@ jobs:
       - name: Build and push the jenkins agent for node tutorial
         # This step builds and pushes the Jenkins agent for the Node.js tutorial
         if: contains(env.files, 'dockerfiles/node/') && env.IS_FORK != 'true'
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./dockerfiles/node
           platforms: linux/amd64, linux/arm64
@@ -220,7 +220,7 @@ jobs:
       - name: Build and push the jenkins agent for the sidekick container
         # This step builds and pushes the Jenkins agent for the sidekick container
         if: contains(env.files, 'dockerfiles/sidekick/') && env.IS_FORK != 'true'
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./dockerfiles/sidekick
           platforms: linux/amd64, linux/arm64
@@ -230,7 +230,7 @@ jobs:
       - name: Build and push the jenkins agent for the agent-finding container
         # This step builds and pushes the Jenkins agent for the agent-finding container
         if: contains(env.files, 'dockerfiles/agent-discovery/') && env.IS_FORK != 'true'
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./dockerfiles/agent-discovery/
           platforms: linux/amd64, linux/arm64
@@ -240,7 +240,7 @@ jobs:
       - name: Build and push the jenkins agent for multi-branch controller
         # This step builds and pushes the Jenkins agent for the multi-branch controller
         if: contains(env.files, 'dockerfiles/multi/') && env.IS_FORK != 'true'
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./dockerfiles/multi
           platforms: linux/amd64, linux/arm64
@@ -250,7 +250,7 @@ jobs:
       - name: Build and push the jenkins agent for Android
         # This step builds and pushes the Jenkins agent for Android
         if: contains(env.files, 'dockerfiles/android/') && env.IS_FORK != 'true'
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./dockerfiles/android
           platforms: linux/amd64
@@ -260,7 +260,7 @@ jobs:
       - name: Build and push the jenkins agent for golang tutorial
         # This step builds and pushes the Jenkins agent for the Golang tutorial
         if: contains(env.files, 'dockerfiles/golang/') && env.IS_FORK != 'true'
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./dockerfiles/golang
           platforms: linux/amd64, linux/arm64
@@ -270,7 +270,7 @@ jobs:
       - name: Build and push the jenkins agent for cpp tutorial
         # This step builds and pushes the Jenkins agent for the C++ tutorial
         if: contains(env.files, 'dockerfiles/cpp/') && env.IS_FORK != 'true'
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./dockerfiles/cpp
           platforms: linux/amd64, linux/arm64
@@ -280,7 +280,7 @@ jobs:
       - name: Build and push the jenkins agent for dotnet tutorial
         # This step builds and pushes the Jenkins agent for the .NET tutorial
         if: contains(env.files, 'dockerfiles/dotnet/') && env.IS_FORK != 'true'
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: ./dockerfiles/dotnet
           platforms: linux/amd64, linux/arm64