chore(e2e): Update mongodb-mongosh version (#6394)

enos/modules/test_e2e_docker/test.sh

@@ -121,8 +121,8 @@ apt install docker-ce-cli -y
 
 # Install MongoDB client (mongosh)
 # Reference: https://www.mongodb.com/docs/mongodb-shell/install/#debian
-curl -fsSL https://pgp.mongodb.com/server-7.0.asc | gpg --dearmor -o /usr/share/keyrings/mongodb-server-7.0.gpg
-echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/mongodb-server-7.0.gpg] https://repo.mongodb.org/apt/debian bookworm/mongodb-org/7.0 main" | tee /etc/apt/sources.list.d/mongodb-org-7.0.list
+wget -qO- https://www.mongodb.org/static/pgp/server-8.0.asc | tee /etc/apt/trusted.gpg.d/server-8.0.asc
+echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/trusted.gpg.d/server-8.0.asc] https://repo.mongodb.org/apt/debian bookworm/mongodb-org/8.0 main" | tee /etc/apt/sources.list.d/mongodb-org-8.0.list
 apt update
 apt install -y mongodb-mongosh