Merge pull request #49945 from xiangpengzhao/e2e-name

Automatic merge from submit-queue (batch tested with PRs 49885, 49751, 49441, 49952, 49945)

Rename e2e sig framework files

**What this PR does / why we need it**:
make files be consistent across all sig e2e tests dir.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
Umbrella issue #49161

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

test/e2e/lifecycle/BUILD

@@ -12,11 +12,11 @@ go_library(
     srcs = [
         "addon_update.go",
         "cluster_upgrade.go",
+        "framework.go",
         "ha_master.go",
         "reboot.go",
         "resize_nodes.go",
         "restart.go",
-        "sig.go",
     ],
     tags = ["automanaged"],
     deps = [

test/e2e/node/BUILD

@@ -11,11 +11,11 @@ go_library(
     name = "go_default_library",
     srcs = [
         "apparmor.go",
+        "framework.go",
         "kubelet.go",
         "kubelet_perf.go",
         "nodeoutofdisk.go",
         "security_context.go",
-        "sig.go",
     ],
     tags = ["automanaged"],
     deps = [