build(deps): bump google.golang.org/grpc past the #9330 deadlock fix (#12123)

The pinned dev snapshot (v1.85.0-dev.0.20260915183914) predates
grpc/grpc-go#9563, which fixes the control-buffer throttle deadlock
(grpc/grpc-go#9330) that wedges weed mini under concurrent S3 writes
over unix sockets.

Verified with the issue's standalone repro (one ClientConn over a unix
socket, concurrent unary RPCs): the old snapshot deadlocks at c=512
after 743 RPCs; the new snapshot completes 3.06M RPCs/20s at c=512 and
1.97M/15s at c=2048 with no stall -- above the v1.82.0 pre-regression
baseline of ~112k ops/s.

go.mod

@@ -101,7 +101,7 @@ require (
 	golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect
 	google.golang.org/api v0.297.0
 	google.golang.org/genproto v0.0.0-20260904194346-d0f1323225a4 // indirect
-	google.golang.org/grpc v1.85.0-dev.0.20260915183914-4e49413dcab7
+	google.golang.org/grpc v1.86.0-dev.0.20261027044109-d619b5d02089
 	google.golang.org/protobuf v1.36.12
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	modernc.org/b v1.0.0 // indirect
@@ -290,7 +290,7 @@ require (
 	cel.dev/expr v0.25.3 // indirect
 	cloud.google.com/go/auth v0.23.2 // indirect
 	cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect
-	cloud.google.com/go/compute/metadata v0.9.0 // indirect
+	cloud.google.com/go/compute/metadata v0.10.0 // indirect
 	cloud.google.com/go/iam v1.13.0 // indirect
 	cloud.google.com/go/monitoring v1.30.0 // indirect
 	filippo.io/edwards25519 v1.2.0 // indirect
@@ -302,7 +302,7 @@ require (
 	github.com/Azure/go-ntlmssp v0.1.1 // indirect
 	github.com/AzureAD/microsoft-authentication-library-for-go v1.9.0 // indirect
 	github.com/Files-com/files-sdk-go/v3 v3.3.194 // indirect
-	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.37.0 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.38.0 // indirect
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.61.0 // indirect
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.61.0 // indirect
 	github.com/IBM/go-sdk-core/v5 v5.23.1 // indirect
@@ -355,7 +355,7 @@ require (
 	github.com/elastic/gosigar v0.14.3 // indirect
 	github.com/emersion/go-message v0.18.2 // indirect
 	github.com/emersion/go-vcard v0.0.0-20260618161152-d854b7e0e2d3 // indirect
-	github.com/envoyproxy/go-control-plane/envoy v1.39.1-0.20260819172001-e6e3fd93e4be // indirect
+	github.com/envoyproxy/go-control-plane/envoy v1.40.1-0.20261014170222-9c4befd3c419 // indirect
 	github.com/envoyproxy/protoc-gen-validate v1.3.3 // indirect
 	github.com/fatih/color v1.19.0 // indirect
 	github.com/felixge/httpsnoop v1.1.0 // indirect
@@ -455,7 +455,7 @@ require (
 	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
 	github.com/spacemonkeygo/monkit/v3 v3.0.25-0.20251022131615-eb24eb109368 // indirect
 	github.com/spf13/pflag v1.0.10 // indirect
-	github.com/spiffe/go-spiffe/v2 v2.8.1 // indirect
+	github.com/spiffe/go-spiffe/v2 v2.8.2 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/t3rm1n4l/go-mega v0.0.0-20260717075258-c6acd6a5bd04 // indirect
 	github.com/tarantool/go-iproto v1.1.0 // indirect
@@ -493,8 +493,8 @@ require (
 	go.uber.org/zap v1.28.0 // indirect
 	golang.org/x/term v0.47.0
 	golang.org/x/time v0.16.0
-	google.golang.org/genproto/googleapis/api v0.0.0-20260904194346-d0f1323225a4 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20260904194346-d0f1323225a4 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20260921155816-b14227669459 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260921155816-b14227669459 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/validator.v2 v2.0.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect