[workflow] Run release tasks for me (tru) as well.

[tstellar]

LGTM.

.github/workflows/release-tasks.yml

jobs:
   release-tasks:
     runs-on: ubuntu-latest
     if: github.repository == 'llvm/llvm-project'
     steps:
 
     - name: Validate Tag
       id: validate-tag
       run: |
-        test "${{ github.actor }}" = "tstellar"
+        test "${{ github.actor }}" = "tstellar" || test "${{ github.actor }}" = "tru"
         echo "${{ github.ref_name }}" | grep -e '^llvmorg-[0-9]\+\.[0-9]\+\.[0-9]\+\(-rc[0-9]\+\)\?$'
         release_version=`echo "${{ github.ref_name }}" | sed 's/llvmorg-//g'`
         echo "::set-output name=release-version::$release_version"
 
     - name: Install Dependencies
       run: |
         sudo apt-get install -y \
             doxygen \