build tools image: install protoc & bump protoc to v21.9 (#3843)

Signed-off-by: Zbynek Roubalik <[email protected]>

.devcontainer/Dockerfile

@@ -55,9 +55,10 @@ RUN apt-get update \
     && go install honnef.co/go/tools/cmd/staticcheck@latest \
     && go install golang.org/x/tools/gopls@latest \
     # Protocol Buffer Compiler
+    && PROTOC_VERSION=21.9 \
     && if [ $(dpkg --print-architecture) = "amd64" ]; then PROTOC_ARCH="x86_64"; else PROTOC_ARCH="aarch_64" ; fi \
-    && curl -LO "https://github.com/protocolbuffers/protobuf/releases/download/v3.20.1/protoc-3.20.1-linux-$PROTOC_ARCH.zip" \
-    && unzip "protoc-3.20.1-linux-$PROTOC_ARCH.zip" -d $HOME/.local \
+    && curl -LO "https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-$PROTOC_ARCH.zip" \
+    && unzip "protoc-${PROTOC_VERSION}-linux-$PROTOC_ARCH.zip" -d $HOME/.local \
     && mv $HOME/.local/bin/protoc /usr/local/bin/protoc \
     && mv $HOME/.local/include/ /usr/local/bin/include/ \
     && protoc --version \

tools/build-tools.Dockerfile

@@ -57,3 +57,11 @@ RUN curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | d
     echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | tee /etc/apt/sources.list.d/github-cli.list > /dev/null && \
     apt update && \
     apt install -y gh
+
+ # Protocol Buffer Compiler
+RUN PROTOC_VERSION=21.9 \
+    && if [ $(dpkg --print-architecture) = "amd64" ]; then PROTOC_ARCH="x86_64"; else PROTOC_ARCH="aarch_64" ; fi \
+    && curl -LO "https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-$PROTOC_ARCH.zip" \
+    && unzip "protoc-${PROTOC_VERSION}-linux-$PROTOC_ARCH.zip" -d $HOME/.local \
+    && mv $HOME/.local/bin/protoc /usr/local/bin/protoc \
+    && mv $HOME/.local/include/ /usr/local/bin/include/