x/vulndb: upgrade golang.org/x/tools to use the master version

golang.org/x/tools is upgraded to the version at master, in order to fix a panic in internal/worker:

`panic: no concrete method: func (*crypto/elliptic.nistCurve[*crypto/elliptic/internal/nistec.P224Point]).Add(x1 *math/big.Int, y1 *math/big.Int, x2 *math/big.Int, y2 *math/big.Int) (*math/big.Int, *math/big.Int)`

This also resulted in x/mod being upgraded.

Change-Id: I2c5581efb9f8c213b2dfabfa4349478af7187c1d
Reviewed-on: https://go-review.googlesource.com/c/vulndb/+/402674
Reviewed-by: Julie Qiu <julieqiu@google.com>
diff --git a/go.mod b/go.mod
index 8284c16..942fc3a 100644
--- a/go.mod
+++ b/go.mod
@@ -27,12 +27,12 @@
 	go.opentelemetry.io/otel/sdk v1.4.0
 	golang.org/x/exp/event v0.0.0-20220218215828-6cf2b201936e
 	golang.org/x/exp/vulncheck v0.0.0-20220128181451-c853b6ddb95e
-	golang.org/x/mod v0.6.0-dev.0.20211013180041-c96bc1413d57
+	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4
 	golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd
 	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/time v0.0.0-20191024005414-555d28b269f0
-	golang.org/x/tools v0.1.8
+	golang.org/x/tools v0.1.11-0.20220502155856-c39ac6a12f3f
 	google.golang.org/api v0.70.0
 	google.golang.org/grpc v1.44.0
 	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c
diff --git a/go.sum b/go.sum
index 5ef9680..44790f0 100644
--- a/go.sum
+++ b/go.sum
@@ -385,8 +385,8 @@
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
-golang.org/x/mod v0.6.0-dev.0.20211013180041-c96bc1413d57 h1:LQmS1nU0twXLA96Kt7U9qtHJEbBk3z6Q0V4UXjZkpr4=
-golang.org/x/mod v0.6.0-dev.0.20211013180041-c96bc1413d57/go.mod h1:3p9vT2HGsQu2K1YbXdKPJLVgG5VJdoTa1poYQBtP1AY=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 h1:6zppjxzCulZykYSLyVDYbneBfbaBIQPYMevg0bEwv2s=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -590,8 +590,9 @@
 golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.8 h1:P1HhGGuLW4aAclzjtmJdf0mJOjVUZUzOTqkAkWL+l6w=
 golang.org/x/tools v0.1.8/go.mod h1:nABZi5QlRsZVlzPpHl034qft6wpY4eDcsTt5AaioBiU=
+golang.org/x/tools v0.1.11-0.20220502155856-c39ac6a12f3f h1:XzDrzSCkoVLlp82ClKiXaSmY27l43ubTa+XVawAylkk=
+golang.org/x/tools v0.1.11-0.20220502155856-c39ac6a12f3f/go.mod h1:SgwaegtQh8clINPpECJMqnxLv9I09HLqnW3RMqW0CA4=
 golang.org/x/vuln v0.0.0-20211221130724-9d39a965865f h1:ItHAoc29v2tEtSkL2oGCsO0s1TrbNAZW5108AFJ3FSY=
 golang.org/x/vuln v0.0.0-20211221130724-9d39a965865f/go.mod h1:YzHo/6uxZoZ2fGerGwR/VABIRuNZ3yHsHX8KGvlHnzM=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=