update PR template

Author: stasadev

.github/PULL_REQUEST_TEMPLATE.md

@@ -16,6 +16,7 @@
 ddev add-on get https://github.com/stasadev/ddev-python2/tarball/refs/pull/REPLACE_ME_WITH_THIS_PR_NUMBER/head
 ddev restart
 ddev exec python --version
+ddev exec pip --version
 ```
 
 ## Automated Testing Overview

web-build/Dockerfile.python2

@@ -1,6 +1,6 @@
 #ddev-generated
 COPY --from=python:2.7-slim /usr/local /usr/local
-COPY --from=python:2.7-slim /usr/lib/ /tmp/python2-libs/
+COPY --from=python:2.7-slim /usr/lib /tmp/python2-libs
 ARG TARGETARCH
 RUN if [ "$TARGETARCH" = "amd64" ]; then \
         LIB_ARCH="x86_64-linux-gnu"; \