fix: made install_protoc.sh compatible with wget2 (#256)

Signed-off-by: Alessio Pragliola <[email protected]>

scripts/install_protoc.sh

@@ -1,7 +1,7 @@
 #! /bin/bash
 set -euxo pipefail
 
-SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+SCRIPT_PARENT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )/.." &> /dev/null && pwd )
 
 VERSION="24.3"
 OS="linux"
@@ -14,9 +14,9 @@ if [[ "$(uname -m)" == "arm"* ]]; then
   ARCH="aarch_64"
 fi
 
-mkdir -p ${SCRIPT_DIR}/../bin
+mkdir -p ${SCRIPT_PARENT_DIR}/bin
 
-wget -q https://github.com/protocolbuffers/protobuf/releases/download/v${VERSION}/protoc-${VERSION}-${OS}-${ARCH}.zip -O ${SCRIPT_DIR}/../protoc.zip && \
-  unzip -qo ${SCRIPT_DIR}/../protoc.zip -d ${SCRIPT_DIR}/.. && \
+wget -q https://github.com/protocolbuffers/protobuf/releases/download/v${VERSION}/protoc-${VERSION}-${OS}-${ARCH}.zip -O ${SCRIPT_PARENT_DIR}/protoc.zip && \
+  unzip -qo ${SCRIPT_PARENT_DIR}/protoc.zip -d ${SCRIPT_PARENT_DIR} && \
   bin/protoc --version && \
-  rm ${SCRIPT_DIR}/../protoc.zip
+  rm ${SCRIPT_PARENT_DIR}/protoc.zip