add bazel 6

Author: alexeagle

.aspect/workflows/config.yaml

@@ -5,6 +5,12 @@ workspaces:
         label: rules_ts
     e2e/smoke:
         tasks:
+            - bazel-6:
+                  queue: aspect-medium
+            - bazel-7:
+                  queue: aspect-medium
+            - bazel-8:
+                  queue: aspect-medium
             - format:
                   without: true
             - configure:
@@ -13,6 +19,12 @@ workspaces:
                   without: true
     e2e/external_dep:
         tasks:
+            - bazel-6:
+                  queue: aspect-medium
+            - bazel-7:
+                  queue: aspect-medium
+            - bazel-8:
+                  queue: aspect-medium
             - format:
                   without: true
             - configure:
@@ -21,6 +33,12 @@ workspaces:
                   without: true
     e2e/worker:
         tasks:
+            - bazel-6:
+                  queue: aspect-medium
+            - bazel-7:
+                  queue: aspect-medium
+            - bazel-8:
+                  queue: aspect-medium
             - format:
                   without: true
             - configure:
@@ -29,13 +47,24 @@ workspaces:
                   without: true
     e2e/test:
         tasks:
+            - bazel-6:
+                  queue: aspect-medium
+            - bazel-7:
+                  queue: aspect-medium
+            - bazel-8:
+                  queue: aspect-medium
             - format:
                   without: true
             - configure:
                   without: true
             - buildifier:
                   without: true
 tasks:
+    - test:
+          name: 'Test (Bazel 6.x)'
+          id: bazel-6
+          env:
+              USE_BAZEL_VERSION: 6.x
     - test:
           name: 'Test (Bazel 7.x)'
           id: bazel-7