restore tycho version to 1.70 for version number calculation...

Author: arcadmlafon

.github/workflows/release.yml

@@ -80,7 +80,7 @@ jobs:
           increment: patch
 
       - name: Bump version numbers for next cycle
-        run: mvn org.eclipse.tycho:tycho-versions-plugin:3.0.5:set-version -DnewVersion=${{ steps.next-version.outputs.version }}-SNAPSHOT
+        run: mvn org.eclipse.tycho:tycho-versions-plugin:1.7.0:set-version -DnewVersion=${{ steps.next-version.outputs.version }}-SNAPSHOT
 
       - name: Commit version number change
         run: |