Add static analysis for unsafe uint casting (#10318)

* Add static analysis for unsafe uint casting

* Fix violations of uintcast

* go mod tidy

* Add exclusion to nogo for darwin build

* Add test for math.Int

* Move some things to const so they are assured not to exceed int64

* Self review

* lint

* fix tests

* fix test

* Add init check for non 64 bit OS

* Move new deps from WORKSPACE to deps.bzl

* fix bazel build for go analysis runs

* Update BUILD.bazel

Remove TODO

* add math.AddInt method

* Add new test casts

* Add case where builtin functions and declared functions are covered

* Fix new findings

* cleanup

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
Co-authored-by: Nishant Das <nishdas93@gmail.com>

BUILD.bazel

@@ -16,6 +16,8 @@ exports_files([
 # gazelle:map_kind go_library go_library @prysm//tools/go:def.bzl
 # gazelle:map_kind go_test go_test @prysm//tools/go:def.bzl
 # gazelle:map_kind go_repository go_repository @prysm//tools/go:def.bzl
+# gazelle:build_tags bazel
+# gazelle:exclude tools/analyzers/**/testdata/**
 gazelle(
     name = "gazelle",
     prefix = prefix,
@@ -125,6 +127,7 @@ nogo(
         "//tools/analyzers/ineffassign:go_default_library",
         "//tools/analyzers/properpermissions:go_default_library",
         "//tools/analyzers/recursivelock:go_default_library",
+        "//tools/analyzers/uintcast:go_default_library",
     ] + select({
         # nogo checks that fail with coverage enabled.
         ":coverage_enabled": [],