add pkg-config to CI

Author: Panaetius

.github/workflows/publish.yml

@@ -97,7 +97,7 @@ jobs:
           prefix-key: "v0-rust"
           cache-workspace-crates: "true"
       - name: Install build dependencies on Linux
-        run: sudo apt-get update --yes && sudo apt-get install --yes musl-tools openssl libssl-dev
+        run: sudo apt-get update --yes && sudo apt-get install --yes musl-tools openssl libssl-dev pkg-config
         if: contains(matrix.platform.os, 'ubuntu')
       - name: Build binary (*nix)
         shell: bash