test: gcc update

Author: durran

.github/docker/Dockerfile.glibc

@@ -11,6 +11,10 @@ WORKDIR /mongodb-client-encryption
 COPY . .
 
 RUN yum install -y python39 git make gcc-c++
+RUN subscription-manager repos --enable codeready-builder-for-rhel-8-x86_64-rpms
+RUN yum module enable gcc-toolset-10
+RUN yum install -y gcc-toolset-10
+RUN g++ --version
 
 RUN npm run install:libmongocrypt