Update to Go 1.22 minimum, update GHA

Author: neilalexander

.github/workflows/tests.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.21
+          go-version: 1.22
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
 
@@ -33,7 +33,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go: ["1.20", "1.21"]
+        go: ["stable", "1.22"]
     steps:
       - uses: actions/checkout@v3
       - name: Setup go
@@ -83,7 +83,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go: ["1.21"]
+        go: ["stable", "1.22"]
     steps:
       - uses: actions/checkout@v3
         with:

README.md

@@ -3,4 +3,4 @@ gomatrixserverlib
 
 [![GoDoc](https://godoc.org/github.com/matrix-org/gomatrixserverlib?status.svg)](https://godoc.org/github.com/matrix-org/gomatrixserverlib)
 
-Go library for common functions needed by matrix servers. This library assumes Go 1.18+.
+Go library for common functions needed by matrix servers. This library assumes Go 1.22+.

go.mod

@@ -31,4 +31,4 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
-go 1.18
+go 1.22