fix the release process

Author: tdyas

src/python/pants_release/generate_github_workflows.py

@@ -932,8 +932,13 @@ def build_wheels_job(
                             "if": "needs.release_info.outputs.is-release == 'true'",
                             "run": dedent(
                                 """\
+                                PANTS_VER=$(PEX_INTERPRETER=1 dist/src.python.pants/pants-pex.pex -c "import pants.version;print(pants.version.VERSION)")
+                                PY_VER=$(PEX_INTERPRETER=1 dist/src.python.pants/pants-pex.pex -c "import sys;print(f'cp{sys.version_info[0]}{sys.version_info[1]}')")
+                                PLAT=$(PEX_INTERPRETER=1 dist/src.python.pants/pants-pex.pex -c "import os;print(f'{os.uname().sysname.lower()}_{os.uname().machine.lower()}')")
                                 PEX_FILENAME=pants.$PANTS_VER-$PY_VER-$PLAT.pex
+
                                 mv dist/src.python.pants/pants-pex.pex dist/src.python.pants/$PEX_FILENAME
+                                echo "PEX_FILENAME=$PEX_FILENAME" >> "$GITHUB_ENV"
                                 """
                             ),
                         },
@@ -956,11 +961,6 @@ def build_wheels_job(
                             #   support. `curl` is a good lowest-common-denominator way to upload the assets.
                             "run": dedent(
                                 """\
-                                PANTS_VER=$(PEX_INTERPRETER=1 dist/src.python.pants/pants-pex.pex -c "import pants.version;print(pants.version.VERSION)")
-                                PY_VER=$(PEX_INTERPRETER=1 dist/src.python.pants/pants-pex.pex -c "import sys;print(f'cp{sys.version_info[0]}{sys.version_info[1]}')")
-                                PLAT=$(PEX_INTERPRETER=1 dist/src.python.pants/pants-pex.pex -c "import os;print(f'{os.uname().sysname.lower()}_{os.uname().machine.lower()}')")
-                                PEX_FILENAME=pants.$PANTS_VER-$PY_VER-$PLAT.pex
-
                                 curl -L --fail \\
                                     -X POST \\
                                     -H "Authorization: Bearer ${{ github.token }}" \\