[lucicfg] Update v1.21.0 => v1.21.5.

Changes:
[lucicfg] Add `extends` to luci.bucket(...).
[resultdb] Add history options to starlark files.
[lucicfg] Fix issues related to Go deps roll.
Remove experiment gating luci.tree_closer.
[Lucicfg] change repository_whitelist to repository_allowlist

R=iannucci@chromium.org, tandrii@chromium.org
CC=robertocn@chromium.org

Change-Id: Ife18f8469a6083a476fae817a0163f7f9e6a1448
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2642769
Reviewed-by: Robbie Iannucci <iannucci@chromium.org>
Commit-Queue: Vadim Shtayura <vadimsh@chromium.org>

cipd_manifest.txt

@@ -36,7 +36,7 @@ infra/tools/luci/vpython/${platform} git_revision:0f694cdc06ba054b9960aa1ae9766e
 infra/tools/luci/led/${platform} git_revision:d86f55356b5134249c13f0baf9d6b76294f9bdb7
 
 # LUCI config generator
-infra/tools/luci/lucicfg/${platform} git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
+infra/tools/luci/lucicfg/${platform} git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
 
 # Mac toolchain installer
 infra/tools/mac_toolchain/${os=mac}-${arch} git_revision:6e584bf785867bc3b340f82bb2f7a6cd42ba22a8

cipd_manifest.versions

@@ -226,56 +226,56 @@ infra/tools/luci/led/windows-amd64
 	KyzCChBtbXLz6wa-chIyENqhJAn-EhTm2AarRu5TdhsC
 
 infra/tools/luci/lucicfg/linux-386
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	yqD-pIDjJ5mQghyApsYciD5jDhEvj67hbdMyQ-RbxNYC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	zkguy3VmMNfEc0kOw-t1xqkdN4mOIdKxxVRGDigpSfwC
 
 infra/tools/luci/lucicfg/linux-amd64
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	kluqX8UE7g3vOd9OR4z-usXPiC3rdgnYcA_kgFbw9yIC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	nZnFECXEPYHSgPDB6IeSmh-vaV7vo0Ye-W2uAkCmkKEC
 
 infra/tools/luci/lucicfg/linux-arm64
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	WjEXtw9Y4-uV7xzd2_piBMTQ3gENv1ltRcdc8yxXYdsC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	0s_N5ZyvHFcKmMKd6Sl-LP3MXPTi9KFhtnEEwZJcI_MC
 
 infra/tools/luci/lucicfg/linux-armv6l
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	WgApTU2DgEX9eF2NFalOLYA0dEVCt7a9hylumJLW2woC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	m_1wIcdO8AZI9FH9MruhPGtkttZblk0uC_03BgCmIGAC
 
 infra/tools/luci/lucicfg/linux-mips64
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	oMZEsnkk6DC8uRe7f7jpg9TBElDRbTNMlejQsG0jqTAC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	j8dDYHl2_Xbk9XXPNYjI4rIfQK65aLwP_xmnDBS-ukMC
 
 infra/tools/luci/lucicfg/linux-mips64le
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	X8AUCuqlJiz5E1IZJttyHd51OiaTd3AwISKHNcCnx5UC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	P2-cxyzSwrO7qQOPZ3t92dgz_7iFSC0XoaIfExb56CEC
 
 infra/tools/luci/lucicfg/linux-mipsle
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	BcDa6_JxV_hCu9sksPjxy4kDG7MmGeKhJJRV40DOc-sC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	pjgIea78FIn8qGjwV7s6GN-kKJ9x68U3kr5K0Cg_1acC
 
 infra/tools/luci/lucicfg/linux-ppc64
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	KerIzcb6v3DDSJ0cgpsRymI4CdboCye28Z1I6svF344C
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	qnMMSbZWh7ZbHmdx-cpCqtYxRSErLZZCVxzGlcpPTJMC
 
 infra/tools/luci/lucicfg/linux-ppc64le
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	MKF9wPjrvsvv98dPJ-V0cF9_4BglQQHcwGT3ag0O6wsC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	K-V3HDoI3cxkRqkPbKGXSWaFXCd9OsEriH6mRabZUxUC
 
 infra/tools/luci/lucicfg/linux-s390x
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	WWE78UK4ta5fFHkaoX0pKxfAab0bVs0vIwii_JBL-LgC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	19NaeUCrCgrgX_9SGJYlef-VecIdYeyc2wmWAnJjE2gC
 
 infra/tools/luci/lucicfg/mac-amd64
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	OCUlrIVydnPeN6S7She4dpiyIGG64o-0VfGMpdtuLPYC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	lAHwu7tyF35C9whKM2nzM0asEqbx7IXO4AyKMOtdTwQC
 
 infra/tools/luci/lucicfg/windows-386
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	KOTqOkWCMYh_AnsK823iHxDMCSQK6hAzz4MrmVlPLwQC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	S8_x3fYWdSjvOZjkhYTveWytDzlhnCRCdEE1z0V6i6kC
 
 infra/tools/luci/lucicfg/windows-amd64
-	git_revision:71ad967b1f3b33b610a3d523706d43162f6a1907
-	MEsaq7RMs_7OLUvLQkmbePWL_j5ENMiYoGdfUL5lI5cC
+	git_revision:f3c1280c18afc6bba9ba9884668408e07ef0512d
+	W5SfTfIrv2GRdML6MIHEHvqLNhe7Dvo2yVkgIlzd7tgC
 
 infra/tools/luci/vpython/linux-386
 	git_revision:0f694cdc06ba054b9960aa1ae9766e45b53d02c1