Correct misspelled English words in comments and printed messages in Bazel's src/... directory (and run fix)

RELNOTES: None.
PiperOrigin-RevId: 222473871

third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto

diff --git a/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto b/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto
index 5afc52c..1d8b58f 100644
--- a/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto
+++ b/third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto
@@ -37,7 +37,7 @@
 // examples are 'x86_64-unknown-linux-gnu' and 'i686-unknown-cygwin'.
 //
 // The system name is used to determine if a given machine can execute a given
-// exectuable. In particular, it is used to check if the compilation products of
+// executable. In particular, it is used to check if the compilation products of
 // a toolchain can run on the host machine.
 message CToolchain {