fix: install gcc by hand

Author: software-dov

.circleci/config.yml

@@ -591,7 +591,7 @@ jobs:
           name: Install pandoc
           command: |
             apt-get update
-            apt-get install -y pandoc
+            apt-get install -y pandoc gcc
       - run:
           name: Install nox and codecov.
           command: |
@@ -613,7 +613,7 @@ jobs:
           name: Install pandoc
           command: |
             apt-get update
-            apt-get install -y pandoc
+            apt-get install -y pandoc gcc
       - run:
           name: Install nox and codecov.
           command: |
@@ -635,7 +635,7 @@ jobs:
           name: Install pandoc
           command: |
             apt-get update
-            apt-get install -y pandoc
+            apt-get install -y pandoc gcc
       - run:
           name: Install nox and codecov.
           command: |