Backport 63870 to 5.5.x (#63882)

See  https://github.com/sourcegraph/sourcegraph/pull/63870

cc @sourcegraph/release

## Test plan

Covered by existing tests

## Changelog

- Adds an experimental feature `commitGraphUpdates` to control how
upload visibility is calculated.

Author: varungandhi-src

internal/codeintel/uploads/BUILD.bazel

@@ -50,6 +50,7 @@ go_test(
     tags = [TAG_PLATFORM_GRAPH],
     deps = [
         "//internal/api",
+        "//internal/codeintel/core",
         "//internal/codeintel/policies/shared",
         "//internal/codeintel/uploads/internal/commitgraph",
         "//internal/codeintel/uploads/internal/lsifstore",

internal/codeintel/uploads/internal/background/backfiller/BUILD.bazel

@@ -33,6 +33,7 @@ go_test(
     tags = [TAG_PLATFORM_GRAPH],
     deps = [
         "//internal/api",
+        "//internal/codeintel/core",
         "//internal/codeintel/uploads/internal/commitgraph",
         "//internal/codeintel/uploads/internal/store",
         "//internal/codeintel/uploads/shared",

internal/codeintel/uploads/internal/background/backfiller/mocks_test.go

@@ -15,11 +15,14 @@ go_library(
         "//internal/api",
         "//internal/codeintel/uploads/internal/commitgraph",
         "//internal/codeintel/uploads/internal/store",
+        "//internal/conf",
         "//internal/database/locker",
         "//internal/env",
         "//internal/gitserver",
         "//internal/gitserver/gitdomain",
         "//internal/goroutine",
         "//lib/errors",
+        "@com_github_grafana_regexp//:regexp",
+        "@com_github_life4_genesis//slices",
     ],
 )