Bump version to 0.5.1 (#119)

* Update dependencies

* Bump version to 0.5.1

* Try to deflake tests in GitHub Actions

* Add some retries to e2e_test

* Revert cargo.lock changes

* Update only a couple deps

* Fix CI running twice :(

* Fix typo

.github/workflows/ci.yml

@@ -1,6 +1,10 @@
 name: CI
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
 
 jobs:
   rust:

.github/workflows/mean_bean_ci.yml

@@ -1,6 +1,10 @@
 name: Mean Bean CI
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - main
+  pull_request:
 
 jobs:
   install-cross: