Rename linux_aarch64 to linux_arm64

PiperOrigin-RevId: 392039323
diff --git a/build_defs.bzl b/build_defs.bzl
index 1034503..2442bed 100644
--- a/build_defs.bzl
+++ b/build_defs.bzl
@@ -144,7 +144,7 @@
             ":linux_armeabi": aarch32_srcs,
             ":linux_armhf": aarch32_srcs,
             ":linux_armv7a": aarch32_srcs,
-            ":linux_aarch64": aarch64_srcs,
+            ":linux_arm64": aarch64_srcs,
             ":macos_x86_64": x86_srcs,
             ":macos_arm64": aarch64_srcs,
             ":windows_x86_64_clang": x86_srcs,
@@ -179,7 +179,7 @@
             ":linux_armeabi": aarch32_copts,
             ":linux_armhf": aarch32_copts,
             ":linux_armv7a": aarch32_copts,
-            ":linux_aarch64": aarch64_copts,
+            ":linux_arm64": aarch64_copts,
             ":macos_x86_64": gcc_x86_copts,
             ":macos_arm64": aarch64_copts,
             ":windows_x86_64_clang": ["/clang:" + opt for opt in gcc_x86_copts],
@@ -224,7 +224,7 @@
             ":linux_armeabi": ["-lpthread"],
             ":linux_armhf": ["-lpthread"],
             ":linux_armv7a": ["-lpthread"],
-            ":linux_aarch64": ["-lpthread"],
+            ":linux_arm64": ["-lpthread"],
             ":android": ["-lm"],
             "//conditions:default": [],
         }),
@@ -263,7 +263,7 @@
             ":linux_armeabi": aarch32_nonios_deps,
             ":linux_armhf": aarch32_nonios_deps,
             ":linux_armv7a": aarch32_nonios_deps,
-            ":linux_aarch64": aarch64_deps,
+            ":linux_arm64": aarch64_deps,
             ":macos_x86_64": x86_deps,
             ":macos_arm64": aarch64_deps,
             ":windows_x86_64_clang": x86_deps,