ci: bump softprops/action-gh-release from 1 to 2

---
updated-dependencies:
- dependency-name: softprops/action-gh-release
  dependency-version: '2'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/release.yaml

@@ -175,7 +175,7 @@ jobs:
           base-repo: bpftool
 
       - name: Create draft release and add artifacts
-        uses: softprops/action-gh-release@de2c0eb89ae2a093876385947365aca7b0e5f844 # v0.1.15
+        uses: softprops/action-gh-release@72f2c25fcb47643c292f7107632f7a47c1df5cd8 # v0.1.15
         with:
           draft: true
           files: bpftool*