ci: run testsuite python2 transpilation

users have run into issues with the testsuite's python2, so we should test it in CI

more coverage is better, and it's not clear why this wasn't being included before

Author: fw-immunant

.github/workflows/internal-testsuite.yml

@@ -96,12 +96,16 @@ jobs:
         packages: |
           build-essential
           libbrotli-dev
+          libbz2-dev
           libclang-${{ matrix.clang-version }}-dev
+          libdb-dev
           libgcrypt20
+          libgdbm-dev
           libreadline-dev
           libidn2-dev
           libldap2-dev
           liblzma-dev
+          liblzma-dev
           libnghttp2-dev
           libpcre3-dev
           libpsl-dev
@@ -111,6 +115,8 @@ jobs:
           python3-setuptools
           python3-wheel
           rcs
+          tcl-dev
+          tk-dev
           zlib1g-dev
 
     # installs intercept-build to $HOME/.local/bin
@@ -130,7 +136,7 @@ jobs:
         find testsuite -type f -name compile_commands.json -delete
         export PATH=$PWD/target/release:$HOME/.local/bin:$PATH
         echo "PATH=$PATH"
-        python3 testsuite/test.py curl json-c lua nginx zstd libxml2
+        python3 testsuite/test.py curl json-c lua nginx zstd libxml2 python2
 
     - uses: actions/upload-artifact@v4
       with: