chore: fix issue in prepare release action and run pub action (#2293)

pick commit
308ae49
and
86cd631

Author: peilinok

.github/workflows/run_prepare_release.yml

@@ -61,7 +61,7 @@ jobs:
           author: ${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>
           signoff: false
           branch: prepare-release-${{ inputs.version }}
-          base: main
+          base: ${{ inputs.release_branch }}
           delete-branch: true
           title: "chore: release ${{ inputs.version }}"
           body: |

.github/workflows/run_pub.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Check Versions 🔎
         run: |
           set -eo pipefail
-          export LIB_VERSION=$(git describe --tags `git rev-list --tags --max-count=1`)
+          export LIB_VERSION=$(git describe --tags `git rev-list --tags --max-count=1 HEAD`)
           echo "LIB_VERSION: ${LIB_VERSION}"
           export PUBSPEC_VERSION=$(grep 'version: ' pubspec.yaml | sed -e 's,.*: \(.*\),\1,')
           echo "PUBSPEC_VERSION: ${PUBSPEC_VERSION}"