chore: update clang-tidy and clang-format

.clang-format

@@ -1,4 +1,19 @@
 ---
 Language: Cpp
-BasedOnStyle: Microsoft
-ColumnLimit: 120
+BasedOnStyle: Google
+AccessModifierOffset: -4
+Standard: c++11
+IndentWidth: 4
+TabWidth: 4
+UseTab: Never
+ColumnLimit: 100
+AlignAfterOpenBracket: Align
+BinPackParameters: false
+AlignEscapedNewlines: Left
+AlwaysBreakTemplateDeclarations: Yes
+PackConstructorInitializers: Never
+BreakConstructorInitializersBeforeComma: false
+IndentPPDirectives: BeforeHash
+SortIncludes: Never
+...
+

.clang-tidy

@@ -91,21 +91,26 @@ Checks: >
 # Turn all the warnings from the checks above into errors.
 WarningsAsErrors: "*"
 
-HeaderFilterRegex: "(google/cloud/|generator/).*\\.h$"
-
 CheckOptions:
-  - key:             readability-identifier-naming.ClassCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.EnumCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.FunctionCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.MemberCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.ParameterCase
-    value:           camelBack
-  - key:             readability-identifier-naming.UnionCase
-    value:           CamelCase
-  - key:             readability-identifier-naming.VariableCase
-    value:           camelBack
-...
+  - key: google-readability-braces-around-statements.ShortStatementLines
+    value: '1'
+  - key: google-readability-function-size.StatementThreshold
+    value: '800'
+  - key: google-readability-namespace-comments.ShortNamespaceLines
+    value: '10'
+  - key: google-readability-namespace-comments.SpacesBeforeComments
+    value: '2'
+  - key: readability-identifier-naming.ClassCase
+    value: CamelCase
+  - key: readability-identifier-naming.MemberCase
+    value: camelBack
+  - key: readability-identifier-naming.EnumCase
+    value: CamelCase
+  - key: readability-identifier-naming.FunctionCase
+    value: CamelCase
+  - key: readability-identifier-naming.ParameterCase
+    value: camelBack
+  - key: readability-identifier-naming.UnionCase
+    value: CamelCase
+  - key: readability-identifier-naming.VariableCase
+    value: camelBack