roll: ninja

From git_revision:980bc1f80a6779e8b4ce034c47936238fb16e58c
To git_revision:745380fed7d2216b20b5ab22dd173ff167042aca

Roller-URL: https://ci.chromium.org/b/8736683973097476561
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I8073cde4a13b58f4fdb33e41a4c4bdca5830b6af
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/235856
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pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json

@@ -24,7 +24,7 @@
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+        "git_revision:745380fed7d2216b20b5ab22dd173ff167042aca"
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