create GH workflow to build container for tagged versions

This is basically a copy of OpenCHAMI/dnsmasq-dhcpd's workflow, at
https://github.com/OpenCHAMI/dnsmasq-dhcpd/blob/main/.github/workflows/build_containers.yml

.github/workflows/build_container.yml

@@ -0,0 +1,48 @@
+name: Build and publish container
+run-name: Release from ${{ github.ref_name }}
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - v*
+permissions:
+  packages: write
+  contents: read
+jobs:
+  build-tpm-manager:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+        with:
+          submodules: recurse
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/openchami/tpm-manager
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern=v{{version}}
+            type=semver,pattern=v{{major}}.{{minor}}
+            type=semver,pattern=v{{major}}
+            type=sha
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Log into GitHub container repository
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push container
+        uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}