Resync workflows with master, delete test example

.github/workflows/artifacts.yaml

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+name: 'Delete old artifacts'
+on:
+  schedule:
+    - cron: '0 * * * *' # every hour
+
+concurrency:
+    group: ${{ github.workflow }}
+    cancel-in-progress: true
+
+jobs:
+  delete-artifacts:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: kolpav/purge-artifacts-action@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          expire-in: 14days

.github/workflows/bloat_check.yaml

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+# Copyright (c) 2020 Project CHIP Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Bloat Check
+on:
+    schedule:
+        - cron: "*/5 * * * *"
+
+concurrency:
+    group: ${{ github.workflow }}
+    # Don't cancel an already-running bloat check just because it took more
+    # than 5 minutes to run and our cron job is trying to schedule a new one.
+    cancel-in-progress: false
+
+jobs:
+    pull_request_update:
+        name: Report on pull requests
+
+        runs-on: ubuntu-latest
+
+        container:
+            image: connectedhomeip/chip-build:0.5.75
+
+        steps:
+            - uses: Wandalen/[email protected]
+              name: Checkout
+              with:
+                  action: actions/checkout@v3
+                  with: |
+                      submodules: true
+                      token: ${{ github.token }}
+                  attempt_limit: 3
+                  attempt_delay: 2000
+
+            - name: Report
+              run: |
+                  scripts/tools/memory/gh_report.py \
+                    --verbose \
+                    --report-increases 0.2 \
+                    --report-pr \
+                    --github-comment \
+                    --github-limit-artifact-pages 50 \
+                    --github-limit-artifacts 500 \
+                    --github-limit-comments 20 \
+                    --github-repository project-chip/connectedhomeip \
+                    --github-api-token "${{ secrets.GITHUB_TOKEN }}"