Upgrade to GinkGo v2

Ginkgo has switched to v2 and we should make use of it instead. It doesn't affect how we make tests, but we get the latest enhancements and improvements on the ways tests are executed.

vendor/github.com/onsi/gomega/CHANGELOG.md

@@ -1,3 +1,49 @@
+## 1.20.2
+
+## Fixes
+- label specs that rely on remote access; bump timeout on short-circuit test to make it less flaky [35eeadf]
+- gexec: allow more headroom for SIGABRT-related unit tests (#581) [5b78f40]
+- Enable reading from a closed gbytes.Buffer (#575) [061fd26]
+
+## Maintenance
+- Bump github.com/onsi/ginkgo/v2 from 2.1.5 to 2.1.6 (#583) [55d895b]
+- Bump github.com/onsi/ginkgo/v2 from 2.1.4 to 2.1.5 (#582) [346de7c]
+
+## 1.20.1
+
+## Fixes
+- fix false positive gleaks when using ginkgo -p (#577) [cb46517]
+- Fix typos in gomega_dsl.go (#569) [5f71ed2]
+- don't panic on Eventually(nil), fixing #555 (#567) [9d1186f]
+- vet optional description args in assertions, fixing #560 (#566) [8e37808]
+
+## Maintenance
+- test: add new Go 1.19 to test matrix (#571) [40d7efe]
+- Bump tzinfo from 1.2.9 to 1.2.10 in /docs (#564) [5f26371]
+
+## 1.20.0
+
+## Features
+- New [`gleak`](https://onsi.github.io/gomega/#codegleakcode-finding-leaked-goroutines) experimental goroutine leak detection package! (#538) [85ba7bc]
+- New `BeComparableTo` matcher(#546) that uses `gocmp` to make comparisons [e77ea75]
+- New `HaveExistingField` matcher (#553) [fd130e1]
+- Document how to wrap Gomega (#539) [56714a4]
+
+## Fixes
+- Support pointer receivers in HaveField; fixes #543 (#544) [8dab36e]
+
+## Maintenance
+- Bump various dependencies:
+    - Upgrade to yaml.v3 (#556) [f5a83b1]
+    - Bump github/codeql-action from 1 to 2 (#549) [52f5adf]
+    - Bump github.com/google/go-cmp from 0.5.7 to 0.5.8 (#551) [5f3942d]
+    - Bump nokogiri from 1.13.4 to 1.13.6 in /docs (#554) [eb4b4c2]
+    - Use latest ginkgo (#535) [1c29028]
+    - Bump nokogiri from 1.13.3 to 1.13.4 in /docs (#541) [1ce84d5]
+    - Bump actions/setup-go from 2 to 3 (#540) [755485e]
+    - Bump nokogiri from 1.12.5 to 1.13.3 in /docs (#522) [4fbb0dc]
+    - Bump actions/checkout from 2 to 3 (#526) [ac49202]
+
 ## 1.19.0
 
 ## Features