fix(pip): revert changes to vendored test configuration

Author: sgaist

integration/pip/testdata/default_app_vendored/requirements.txt

@@ -1,6 +1,6 @@
-Flask==3.0.0
-Jinja2==3.1.6
-MarkupSafe==3.0.2
-Werkzeug==3.1.3
-gunicorn==23.0.0
-itsdangerous==2.2.0
+Flask==2.1.3
+Jinja2==3.1.2
+MarkupSafe==2.1.1
+Werkzeug==2.2.1
+gunicorn==20.1.0
+itsdangerous==2.1.2

scripts/integration.sh

@@ -153,7 +153,7 @@ function tests::run() {
 
   export CGO_ENABLED=0
   pushd "${BUILDPACKDIR}" > /dev/null
-    if GOMAXPROCS="${GOMAXPROCS:-4}" go test -count=1 -timeout 0 ./integration/... -v -run Integration | tee "${2}"; then
+    if GOMAXPROCS="${GOMAXPROCS:-4}" go test -count=1 -timeout 0 ./integration/... -v -run PipIntegration | tee "${2}"; then
           util::print::info "** GO Test Succeeded with ${1}**"
     else
       util::print::error "** GO Test Failed with ${1}**"