fix: Force an older babel version

[Artur-]

This fixes some random build issues where webpack exits with code 139

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[github-actions]

Unit Test Results

   770 files  +5     770 suites  +5   25m 20s ⏱️ + 1m 19s
5 744 tests +8  5 693 ✔️ +9  51 💤 +1  0 ❌ ±0 
5 778 runs  +7  5 726 ✔️ +8  52 💤 +1  0 ❌ ±0 

Results for commit 2190431. ± Comparison against base commit d63f9c3.

[vaadin-bot]

Hi @Artur- and @Artur-, when i performed cherry-pick to this commit to 2.8, i have encountered the following issue. Can you take a look and pick it manually?
Error Message:
Error: Command failed: git cherry-pick 1849f65
error: could not apply 1849f65... fix: Force an older babel version (#12781)
hint: after resolving the conflicts, mark the corrected paths
hint: with 'git add ' or 'git rm '
hint: and commit the result with 'git commit'

[vaadin-bot]

Hi @Artur- and @Artur-, when i performed cherry-pick to this commit to 9.0, i have encountered the following issue. Can you take a look and pick it manually?
Error Message:
Error: Command failed: git cherry-pick 1849f65
error: could not apply 1849f65... fix: Force an older babel version (#12781)
hint: after resolving the conflicts, mark the corrected paths
hint: with 'git add ' or 'git rm '
hint: and commit the result with 'git commit'

[vaadin-bot]

Hi @Artur- and @Artur-, when i performed cherry-pick to this commit to 2.7, i have encountered the following issue. Can you take a look and pick it manually?
Error Message:
Error: Command failed: git cherry-pick 1849f65
error: could not apply 1849f65... fix: Force an older babel version (#12781)
hint: after resolving the conflicts, mark the corrected paths
hint: with 'git add ' or 'git rm '
hint: and commit the result with 'git commit'