run_tests: help2man: update to latest release

Change-Id: I30e4a6452ac5504b782fe545a59ca1f58ac70385
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/583621
Tested-by: Mike Frysinger <vapier@google.com>
Reviewed-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Mike Frysinger <vapier@google.com>

cipd_manifest.txt

@@ -29,4 +29,4 @@ $ResolvedVersions cipd_manifest.versions
 # Supported platforms.  Feel free to add more as long as the tools work.
 $VerifiedPlatform linux-amd64 linux-arm64 mac-amd64 mac-arm64
 
-infra/3pp/tools/help2man/${platform} version:3@1.47.8.chromium.1
+infra/3pp/tools/help2man/${platform} version:3@1.49.3

cipd_manifest.versions

@@ -2,17 +2,17 @@
 # Do not modify manually. All changes will be overwritten.
 
 infra/3pp/tools/help2man/linux-amd64
-	version:3@1.47.8.chromium.1
-	Ftn7OHsJBffbIuK3KERGGF21oKqMmnV00B6ZKmjxKe4C
+	version:3@1.49.3
+	82ySLC4--mvjnmuwj_j_2odHLj5zFaNFpWvfCyMunY0C
 
 infra/3pp/tools/help2man/linux-arm64
-	version:3@1.47.8.chromium.1
-	_7lsBiY7fUeLXx1UJc_LEE8H9DG7CGGM9M2gjyqB9T4C
+	version:3@1.49.3
+	szfWfjI4RyCT6gIB48CeUOGG6_Un4wfbIb0Vvs5M9MUC
 
 infra/3pp/tools/help2man/mac-amd64
-	version:3@1.47.8.chromium.1
-	E7Dldyd8BvjuW2ZuZy3ILNt7KNN2Cs_F_5dkwRfaL8IC
+	version:3@1.49.3
+	t7iyQx5TnGbuJfj6zMTvjPdBl-Cb_w5papUh80NI2S8C
 
 infra/3pp/tools/help2man/mac-arm64
-	version:3@1.47.8.chromium.1
-	K5qjjtmIDBnibI_76qoEEgsbwzkQUGrZxbBsaUgOeisC
+	version:3@1.49.3
+	t5eD-eLKRpnSifZdbi072U8bnPfGye1pIMmQ07nxJ7kC

release/update_manpages.py

@@ -68,7 +68,7 @@ def main(argv: List[str]) -> int:
     help2man = ["help2man"]
     cipd_help2man = TOPDIR / ".cipd_bin/bin/help2man"
     if cipd_help2man.exists():
-        help2man = ["perl", cipd_help2man]
+        help2man = [cipd_help2man]
     elif not shutil.which("help2man"):
         sys.exit("Please install help2man to continue.")