Fix GitHub Releases deployment. (#2448)

Permissions should now be correct per:

https://github.com/softprops/action-gh-release?tab=readme-ov-file#permissions

.github/workflows/release.yml

@@ -73,6 +73,7 @@ jobs:
       id-token: write
       attestations: write
       contents: write
+      discussions: write
     steps:
       - name: Checkout Pex ${{ needs.determine-tag.outputs.release-tag }}
         uses: actions/checkout@v4
@@ -105,10 +106,7 @@ jobs:
           changelog-file: ${{ github.workspace }}/CHANGES.md
           version: ${{ needs.determine-tag.outputs.release-version }}
       - name: Create ${{ needs.determine-tag.outputs.release-tag }} Release
-        # Upgrades node16 -> node20: in main but not tagged yet.
-        uses: softprops/action-gh-release@4634c16e79c963813287e889244c50009e7f0981
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        uses: softprops/action-gh-release@v2
         with:
           tag_name: ${{ needs.determine-tag.outputs.release-tag }}
           name: pex ${{ needs.determine-tag.outputs.release-version }}

CHANGES.md

@@ -1,7 +1,22 @@
 # Release Notes
 
+## 2.6.3
+
+There are no changes to Pex code or released artifacts over 2.6.1 or
+2.6.2, just a further fix to the GitHub Releases release process which
+#2442 broke and #2444 only partially fixed.
+
+* Fix GitHub Releases deployment. (#2448)
+
 ## 2.6.2
 
+> [!NOTE]
+> Although 2.6.2 successfully released to [PyPI](
+> https://pypi.org/project/pex/2.6.2/), it failed to release to GitHub
+> Releases (neither the Pex PEX nor the pex.pdf were published.) You
+> can use Pex 2.6.3 instead which has no Pex code changes over this
+> release.
+
 There are no changes to Pex code or released artifacts over 2.6.1, just
 a fix to the GitHub Releases release process which #2442 broke.
 
@@ -13,7 +28,8 @@ a fix to the GitHub Releases release process which #2442 broke.
 > Although 2.6.1 successfully released to [PyPI](
 > https://pypi.org/project/pex/2.6.1/), it failed to release to GitHub
 > Releases (neither the Pex PEX nor the pex.pdf were published.) You
-> can use Pex 2.6.2 instead which has no Pex code changes.
+> can use Pex 2.6.3 instead which has no Pex code changes over this
+> release.
 
 This release improves error messages when attempting to read invalid
 metadata from distributions such that the problematic distribution is

pex/version.py

@@ -1,4 +1,4 @@
 # Copyright 2015 Pex project contributors.
 # Licensed under the Apache License, Version 2.0 (see LICENSE).
 
-__version__ = "2.6.2"
+__version__ = "2.6.3"