Fix gh release pipeline for protoc (#71)

Similar to commit 8a037c7

Author: nyetwurk

.github/workflows/release.yml

@@ -23,7 +23,18 @@ jobs:
       - if: runner.os == 'Linux'
         run: |
           sudo apt-get update
-          sudo apt-get install -y libudev-dev libssl-dev libsasl2-dev libzstd-dev
+          sudo apt-get install -y \
+            gnupg \
+            libudev-dev \
+            libsasl2-dev \
+            libssl-dev \
+            libzstd-dev
+          sudo touch /etc/apt/sources.list.d/debian.list
+          echo 'deb http://ftp.debian.org/debian sid main' | sudo tee -a /etc/apt/sources.list.d/debian.list
+          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 648ACFD622F3D138
+          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0E98404D386FA1D9
+          sudo apt-get update
+          sudo apt-get install -y protobuf-compiler
 
       - uses: actions-rs/toolchain@v1
         with: