ci: add push_rockspec job, update tarantool versions in tests

Author: Satbek

.github/workflows/push_rockspec.yml

@@ -0,0 +1,48 @@
+name: Push rockspec
+
+on:
+  workflow_run:
+    workflows: ["Run tests"]
+    branches: [master]
+    types:
+      - completed
+  push:
+    tags:
+      - '*'
+
+env:
+  ROCK_NAME: "luagraphqlparser"
+
+jobs:
+  push-scm-rockspec:
+    runs-on: [ ubuntu-22.04 ]
+    if: github.ref == 'refs/heads/master' && github.event.workflow_run.conclusion == 'success'
+    steps:
+      - uses: actions/checkout@master
+
+      - uses: tarantool/rocks.tarantool.org/github-action@master
+        with:
+          auth: ${{ secrets.ROCKS_AUTH }}
+          files: ${{ env.ROCK_NAME }}-scm-1.rockspec
+
+  push-tagged-rockspec:
+    runs-on: [ ubuntu-22.04 ]
+    if: startsWith(github.ref, 'refs/tags')
+    steps:
+      - uses: actions/checkout@master
+
+      # https://stackoverflow.com/questions/58177786/get-the-current-pushed-tag-in-github-actions
+      - name: Set env
+        run: echo "GIT_TAG=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+
+      - name: Push release rockspec
+        run: |
+          sed \
+            -e "s/branch = '.\+'/tag = '${GIT_TAG}'/g" \
+            -e "s/version = '.\+'/version = '${GIT_TAG}-1'/g" \
+            ${{ env.ROCK_NAME }}-scm-1.rockspec > ${{ env.ROCK_NAME }}-${GIT_TAG}-1.rockspec
+
+      - uses: tarantool/rocks.tarantool.org/github-action@master
+        with:
+          auth: ${{ secrets.ROCKS_AUTH }}
+          files: ${{ env.ROCK_NAME }}-${GIT_TAG}-1.rockspec