test: gcc update

Author: durran

.github/docker/Dockerfile.glibc

@@ -11,6 +11,8 @@ WORKDIR /mongodb-client-encryption
 COPY . .
 
 RUN yum install -y python39 git make gcc-c++
+RUN yum install -y gcc-toolset-10
+RUN g++ --version
 
 RUN npm run install:libmongocrypt