Unleash dependabot on Docker files and add dependency review workflow

.github/dependabot.yml

@@ -35,3 +35,83 @@ updates:
     directory: /
     schedule:
       interval: daily
+
+  - package-ecosystem: docker
+    directory: /cmd/agent
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /cmd/all-in-one
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /cmd/anonymizer
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /cmd/collector
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /cmd/es-index-cleaner
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /cmd/es-rollover
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /cmd/ingester
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /cmd/jaeger
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /cmd/query
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /cmd/remote-storage
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /cmd/tracegen
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /crossdock
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /docker/base
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /docker/debug
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /examples/hotrod
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /plugin/storage/cassandra
+    schedule:
+      interval: daily

.github/workflows/dependency-review.yml

@@ -0,0 +1,27 @@
+# Dependency Review Action
+#
+# This Action will scan dependency manifest files that change as part of a Pull Request,
+# surfacing known-vulnerable versions of the packages declared or updated in the PR.
+# Once installed, if the workflow run is marked as required,
+# PRs introducing known-vulnerable packages will be blocked from merging.
+#
+# Source repository: https://github.com/actions/dependency-review-action
+name: 'Dependency Review'
+on: [pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  dependency-review:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@1b05615854632b887b69ae1be8cbefe72d3ae423 # v2.6.0
+        with:
+          egress-policy: audit
+
+      - name: 'Checkout Repository'
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+      - name: 'Dependency Review'
+        uses: actions/dependency-review-action@0efb1d1d84fc9633afcdaad14c485cbbc90ef46c # v2.5.1