clang: update to clang-13

clang-13 is now released:
    https://github.com/llvm/llvm-project/releases/tag/llvmorg-13.0.0

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: Ia6171c192031e7522030c6c3053a322c55c65d52
diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index af87499..21bd912 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -768,10 +768,10 @@
     git \
     dbus \
     iputils-ping \
-    clang-12 \
-    clang-format-12 \
-    clang-tidy-12 \
-    clang-tools-12 \
+    clang-13 \
+    clang-format-13 \
+    clang-tidy-13 \
+    clang-tools-13 \
     shellcheck \
     npm \
     iproute2 \
@@ -809,12 +809,12 @@
   --slave /usr/bin/gcov-dump gcov-dump /usr/bin/gcov-dump-11 \
   --slave /usr/bin/gcov-tool gcov-tool /usr/bin/gcov-tool-11
 
-RUN update-alternatives --install /usr/bin/clang clang /usr/bin/clang-12 1000 \
-  --slave /usr/bin/clang++ clang++ /usr/bin/clang++-12 \
-  --slave /usr/bin/clang-tidy clang-tidy /usr/bin/clang-tidy-12 \
-  --slave /usr/bin/clang-format clang-format /usr/bin/clang-format-12 \
-  --slave /usr/bin/run-clang-tidy.py run-clang-tidy.py /usr/bin/run-clang-tidy-12.py \
-  --slave /usr/bin/scan-build scan-build /usr/bin/scan-build-12
+RUN update-alternatives --install /usr/bin/clang clang /usr/bin/clang-13 1000 \
+  --slave /usr/bin/clang++ clang++ /usr/bin/clang++-13 \
+  --slave /usr/bin/clang-tidy clang-tidy /usr/bin/clang-tidy-13 \
+  --slave /usr/bin/clang-format clang-format /usr/bin/clang-format-13 \
+  --slave /usr/bin/run-clang-tidy run-clang-tidy.py /usr/bin/run-clang-tidy-13 \
+  --slave /usr/bin/scan-build scan-build /usr/bin/scan-build-13
 
 """
 
diff --git a/scripts/unit-test.py b/scripts/unit-test.py
index 5e056f7..d8c4712 100755
--- a/scripts/unit-test.py
+++ b/scripts/unit-test.py
@@ -766,7 +766,7 @@
             # the .clang-tidy to be up a dir
             os.chdir("tidy-build")
             try:
-                check_call_cmd('run-clang-tidy.py', "-header-filter=.*", '-p',
+                check_call_cmd('run-clang-tidy', "-header-filter=.*", '-p',
                                '.')
             finally:
                 os.chdir("..")
@@ -972,7 +972,7 @@
         if os.path.isfile('.clang-tidy'):
             os.environ["CXX"] = "clang++"
             check_call_cmd('meson', 'setup', 'build-clang')
-            check_call_cmd('run-clang-tidy.py', '-p',
+            check_call_cmd('run-clang-tidy', '-p',
                            'build-clang')
         # Run the basic clang static analyzer otherwise
         else: