fix(ci): install GitHub CLI for Connect health acceptance (#8146)

.github/workflows/connect-health-service-acceptance.yml

@@ -64,6 +64,39 @@ jobs:
           cache: npm
           cache-dependency-path: connect-harness/web/package-lock.json
 
+      - name: Ensure GitHub CLI
+        shell: bash
+        run: |
+          if command -v gh >/dev/null 2>&1; then
+            gh --version
+            exit 0
+          fi
+
+          gh_version="2.101.0"
+          case "$(uname -m)" in
+            x86_64) gh_arch="amd64" ;;
+            aarch64|arm64) gh_arch="arm64" ;;
+            *)
+              echo "Unsupported Linux architecture for GitHub CLI: $(uname -m)" >&2
+              exit 1
+              ;;
+          esac
+
+          gh_install_root="${RUNNER_TEMP:-$PWD}/gh-cli"
+          rm -rf "$gh_install_root"
+          mkdir -p "$gh_install_root/bin"
+          archive="$gh_install_root/gh.tar.gz"
+          curl --fail --location --retry 3 \
+            "https://github.com/cli/cli/releases/download/v${gh_version}/gh_${gh_version}_linux_${gh_arch}.tar.gz" \
+            --output "$archive"
+          tar -xzf "$archive" -C "$gh_install_root"
+          install -m 0755 \
+            "$gh_install_root/gh_${gh_version}_linux_${gh_arch}/bin/gh" \
+            "$gh_install_root/bin/gh"
+          echo "$gh_install_root/bin" >> "$GITHUB_PATH"
+          export PATH="$gh_install_root/bin:$PATH"
+          gh --version
+
       - name: Verify official source and artifact identity
         shell: bash
         env: