Reintroduce Java 22 testing to the matrix

Author: mark-vieira

.buildkite/pipelines/periodic.template.yml

@@ -86,6 +86,7 @@ steps:
               - graalvm-ce17
               - openjdk17
               - openjdk21
+              - openjdk22
             GRADLE_TASK:
               - checkPart1
               - checkPart2
@@ -109,6 +110,7 @@ steps:
               - graalvm-ce17
               - openjdk17
               - openjdk21
+              - openjdk22
             BWC_VERSION: $BWC_LIST
         agents:
           provider: gcp

.buildkite/pipelines/periodic.yml

@@ -407,6 +407,7 @@ steps:
               - graalvm-ce17
               - openjdk17
               - openjdk21
+              - openjdk22
             GRADLE_TASK:
               - checkPart1
               - checkPart2
@@ -430,6 +431,7 @@ steps:
               - graalvm-ce17
               - openjdk17
               - openjdk21
+              - openjdk22
             BWC_VERSION: ["7.17.21", "8.13.3"]
         agents:
           provider: gcp