PYTHON-5538 Fix lock file handling and bump pyright from 1.1.405 to 1.1.406 (#2575)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Steven Silvester <steve.silvester@mongodb.com>

Author: dependabot[bot]

.evergreen/scripts/setup-dev-env.sh

@@ -7,6 +7,11 @@ HERE="$( cd -- "$HERE" > /dev/null 2>&1 && pwd )"
 ROOT=$(dirname "$(dirname $HERE)")
 pushd $ROOT > /dev/null
 
+# Bail early if running on GitHub Actions.
+if [ -n "${GITHUB_ACTION:-}" ]; then
+  exit 0
+fi
+
 # Source the env files to pick up common variables.
 if [ -f $HERE/env.sh ]; then
   . $HERE/env.sh

pyproject.toml

@@ -60,7 +60,7 @@ mockupdb = [
 perf = ["simplejson>=3.17.0"]
 typing = [
     "mypy==1.18.2",
-    "pyright==1.1.405",
+    "pyright==1.1.406",
     "typing_extensions",
     "pip"
 ]