[3.10] gh-89452: GHA: Set --with-dbmliborder to avoid issues with homebrew's gdbm 1.24 (#125112)

Per #89452 (comment),
the issue is fixed in configure for 3.11+, and

> For older Python versions, the workaround is to build with:
>
>     ./configure --with-dbmliborder=gdbm:ndbm

We need this workaround in GitHub Actions, otherwise the tests fail.

Author: encukou

.github/workflows/build.yml

@@ -193,7 +193,9 @@ jobs:
         ./configure \
           --with-pydebug \
           --prefix=/opt/python-dev \
-          --with-openssl="$(brew --prefix [email protected])"
+          --with-openssl="$(brew --prefix [email protected])" \
+          --with-dbmliborder=gdbm:ndbm
+      # (--with-dbmliborder needed for homebrew's gdbm 1.24: see gh-89452)
     - name: Build CPython
       run: make -j4
     - name: Display build info