support go 1.19 (#1985)

Closes #1983

Author: rfratto

CHANGELOG.md

@@ -31,7 +31,7 @@ Main (unreleased)
 
  - Update several go dependencies to resolve warnings from certain security scanning tools. None of the resolved vulnerabilities were known to be exploitable through the agent. (@captncraig)
 
-
+ - It is now possible to compile Grafana Agent using Go 1.19. (@rfratto)
 
 v0.26.1 (2022-07-25)
 -------------------------

go.mod

@@ -459,7 +459,7 @@ require (
 	go.opentelemetry.io/otel v1.7.0 // indirect
 	go.uber.org/goleak v1.1.12 // indirect
 	go4.org/intern v0.0.0-20210108033219-3eb7198706b2 // indirect
-	go4.org/unsafe/assume-no-moving-gc v0.0.0-20211027215541-db492cf91b37 // indirect
+	go4.org/unsafe/assume-no-moving-gc v0.0.0-20220617031537-928513b29760 // indirect
 	gocloud.dev v0.24.0 // indirect
 	golang.org/x/crypto v0.0.0-20220507011949-2cf3adece122 // indirect
 	golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3 // indirect

go.sum

@@ -2721,6 +2721,8 @@ go4.org/unsafe/assume-no-moving-gc v0.0.0-20201222175341-b30ae309168e/go.mod h1:
 go4.org/unsafe/assume-no-moving-gc v0.0.0-20201222180813-1025295fd063/go.mod h1:FftLjUGFEDu5k8lt0ddY+HcrH/qU/0qk+H8j9/nTl3E=
 go4.org/unsafe/assume-no-moving-gc v0.0.0-20211027215541-db492cf91b37 h1:Tx9kY6yUkLge/pFG7IEMwDZy6CS2ajFc9TvQdPCW0uA=
 go4.org/unsafe/assume-no-moving-gc v0.0.0-20211027215541-db492cf91b37/go.mod h1:FftLjUGFEDu5k8lt0ddY+HcrH/qU/0qk+H8j9/nTl3E=
+go4.org/unsafe/assume-no-moving-gc v0.0.0-20220617031537-928513b29760 h1:FyBZqvoA/jbNzuAWLQE2kG820zMAkcilx6BMjGbL/E4=
+go4.org/unsafe/assume-no-moving-gc v0.0.0-20220617031537-928513b29760/go.mod h1:FftLjUGFEDu5k8lt0ddY+HcrH/qU/0qk+H8j9/nTl3E=
 gocloud.dev v0.24.0 h1:cNtHD07zQQiv02OiwwDyVMuHmR7iQt2RLkzoAgz7wBs=
 gocloud.dev v0.24.0/go.mod h1:uA+als++iBX5ShuG4upQo/3Zoz49iIPlYUWHV5mM8w8=
 golang.org/x/crypto v0.0.0-20171113213409-9f005a07e0d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=