👷 (tools): Add workflow to upgrade tools

.github/workflows/ci-tools-upgrade.yml

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+# Leka - iOS Monorepo
+# Copyright 2023 APF France handicap
+# SPDX-License-Identifier: Apache-2.0
+
+name: Upgrade tools
+
+on:
+  pull_request:
+    types: [labeled]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  upgrade_tools:
+    if: contains(github.event.label.name, 'ci:upgrade_tools')
+    name: Upgrade tools
+    runs-on: [self-hosted, iOS]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 1 # shallow clone
+
+      - name: Tools' versions
+        run: |
+          which fastlane
+          fastlane --version
+
+          which tuist
+          tuist --version
+
+          which swiftlint
+          swiftlint --version
+
+          which swiftformat
+          swiftformat --version
+
+          which bundle
+          bundle --version
+
+      - name: Upgrade brew
+        run: |
+          brew update
+          brew upgrade
+          brew cleanup -s --prune=all
+
+      - name: Upgrade bundle
+        run: |
+          bundle update --bundler