CDRIVER-4409 add missing Debian 11 and Ubuntu 20.04 build variants

Author: rcsanchez97

.evergreen/config.yml

@@ -24343,6 +24343,34 @@ buildvariants:
   - .latest .openssl !.nosasl .server
   - .latest .openssl-static !.nosasl .server
   - .latest .nossl
+- name: gcc102
+  display_name: GCC 10.2 (Debian 11.0)
+  expansions:
+    CC: gcc
+  run_on: debian11-large
+  tasks:
+  - release-compile
+  - debug-compile-nosasl-nossl
+  - .debug-compile !.sspi .openssl
+  - .debug-compile !.sspi .openssl-static
+  - .debug-compile !.sspi .nossl
+  - .latest .openssl !.nosasl .server
+  - .latest .openssl-static !.nosasl .server
+  - .latest .nossl
+- name: gcc94
+  display_name: GCC 9.4 (Ubuntu 20.04)
+  expansions:
+    CC: gcc
+  run_on: ubuntu2004-large
+  tasks:
+  - release-compile
+  - debug-compile-nosasl-nossl
+  - .debug-compile !.sspi .openssl
+  - .debug-compile !.sspi .openssl-static
+  - .debug-compile !.sspi .nossl
+  - .latest .openssl !.nosasl .server
+  - .latest .openssl-static !.nosasl .server
+  - .latest .nossl
 - name: gcc75-i686
   display_name: GCC 7.5 (i686) (Ubuntu 18.04)
   expansions:

build/evergreen_config_lib/variants.py

@@ -276,6 +276,30 @@ def days(n):
              '.latest .openssl-static !.nosasl .server',
              '.latest .nossl'],
             {'CC': 'gcc'}),
+    Variant('gcc102',
+            'GCC 10.2 (Debian 11.0)',
+            'debian11-large',
+            ['release-compile',
+             'debug-compile-nosasl-nossl',
+             '.debug-compile !.sspi .openssl',
+             '.debug-compile !.sspi .openssl-static',
+             '.debug-compile !.sspi .nossl',
+             '.latest .openssl !.nosasl .server',
+             '.latest .openssl-static !.nosasl .server',
+             '.latest .nossl'],
+            {'CC': 'gcc'}),
+    Variant('gcc94',
+            'GCC 9.4 (Ubuntu 20.04)',
+            'ubuntu2004-large',
+            ['release-compile',
+             'debug-compile-nosasl-nossl',
+             '.debug-compile !.sspi .openssl',
+             '.debug-compile !.sspi .openssl-static',
+             '.debug-compile !.sspi .nossl',
+             '.latest .openssl !.nosasl .server',
+             '.latest .openssl-static !.nosasl .server',
+             '.latest .nossl'],
+            {'CC': 'gcc'}),
     Variant('gcc75-i686',
             'GCC 7.5 (i686) (Ubuntu 18.04)',
             'ubuntu1804-test',