release-tests: add capability to run on PR comment

.github/workflows/release-test.yml

@@ -12,6 +12,9 @@ name: release-tests
 # dispatch.
 
 on:
+  pull_request_review:
+    types:
+      - submitted
   schedule:
     - cron: '0 3 * * 6'
   push:
@@ -45,6 +48,7 @@ env:
 jobs:
   tasks:
     runs-on: ubuntu-22.04
+    if: ${{ !github.event.review || (contains(github.event.review.body, '@riot-ci do release tests'))}}
     timeout-minutes: 360
     strategy:
       fail-fast: false
@@ -132,6 +136,10 @@ jobs:
         fi
         if [ -n "${{ github.event.inputs.filter }}" ]; then
           K="-k"
+          FILTER="${{ github.event.inputs.filter }}"
+        elif echo '${{ github.event.review.body }}' | tr '\n' ' ' | grep -i '@riot-ci do release tests with "[^"]\+"'; then
+          K="-k"
+          FILTER="$(echo '${{ github.event.review.body }}' | tr '\n' ' ' | sed 's/.*@riot-ci do release tests with "\([^"]\+\)".*/\1/i')"
         fi
 
         cd Release-Specs
@@ -154,9 +162,10 @@ jobs:
           TTN_APP_ID="release-tests" \
           TTN_DEV_ID="eui-70b3d57ed00463e7-otaa" \
           TTN_DEV_ID_ABP="eui-70b3d57ed0046d5d-abp" \
+          PULL_REQUEST="${{ github.event.issue.pull_request.html_url }}" \
           RIOTBASE=${RIOTBASE} \
           $(which tox) -e test -- ${TOX_ARGS} \
-            ${K} "${{ github.event.inputs.filter }}" -m "${{ matrix.pytest_mark }}"
+            ${K} "${FILTER}" -m "${{ matrix.pytest_mark }}"
     - name: junit2html and XML deploy
       if: always()
       run: |