Address deprecation warnings-as-errors on RHEL 7.9 (#1313)

* Remove RHEL 7.9 workaround for calc_release_version.py

Author: eramongodb

.evergreen/config_generator/components/compile_only.py

@@ -61,10 +61,6 @@ def generate_tasks():
             if any(pattern in distro_name for pattern in ['power8', 'zseries']):
                 patchable = False
 
-            # etc/calc_release_version.py: error: unknown option `--format=...'
-            if distro_name == 'rhel79':
-                patchable = False
-
             res.append(
                 EvgTask(
                     name=name,

.evergreen/generated_configs/tasks.yml

@@ -168,7 +168,6 @@ tasks:
   - name: compile-only-rhel79-release-shared-impls
     run_on: rhel79-large
     tags: [compile-only, rhel79, release, shared, impls]
-    patchable: false
     commands:
       - func: setup
       - func: fetch_c_driver_source

src/mongocxx/lib/mongocxx/v_noabi/mongocxx/exception/authentication_exception.cpp

@@ -12,6 +12,14 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#include <bsoncxx/private/suppress_deprecation_warnings.hh>
+
+//
+
+BSONCXX_SUPPRESS_DEPRECATION_WARNINGS_BEGIN
+
+//
+
 #include <mongocxx/exception/authentication_exception.hpp>
 
 namespace mongocxx {
@@ -21,3 +29,5 @@ authentication_exception::~authentication_exception() = default;
 
 } // namespace v_noabi
 } // namespace mongocxx
+
+BSONCXX_SUPPRESS_DEPRECATION_WARNINGS_END